Printing rectangular grid












2














I am trying to print an item with a rectangular grid (using PLA on Ultimaker 2+):



item with a grid



Unfortunately, Ultimaker Cura generates G-code which prints each rectangle on its own and in a quite a bad way:



print preview



The printer head tries to draw a rectangle, then moves in the direction opposite to a last laid line, which with not perfect adhesion of single line messes up the print pretty badly: it often picks up last rectangle side and drags it.



Any way to change the way Ultimaker Cura approaches to lay out the grid? I would imagine that long lines that are connected to other lines would adhere to bed much better than individual squares, but I don't see any options that would allow to alter it.










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  • I agree, the slicing is not optimal. Maybe you can make an Issue at github.
    – dgrat
    47 mins ago
















2














I am trying to print an item with a rectangular grid (using PLA on Ultimaker 2+):



item with a grid



Unfortunately, Ultimaker Cura generates G-code which prints each rectangle on its own and in a quite a bad way:



print preview



The printer head tries to draw a rectangle, then moves in the direction opposite to a last laid line, which with not perfect adhesion of single line messes up the print pretty badly: it often picks up last rectangle side and drags it.



Any way to change the way Ultimaker Cura approaches to lay out the grid? I would imagine that long lines that are connected to other lines would adhere to bed much better than individual squares, but I don't see any options that would allow to alter it.










share|improve this question









New contributor




n0rd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.




















  • I agree, the slicing is not optimal. Maybe you can make an Issue at github.
    – dgrat
    47 mins ago














2












2








2







I am trying to print an item with a rectangular grid (using PLA on Ultimaker 2+):



item with a grid



Unfortunately, Ultimaker Cura generates G-code which prints each rectangle on its own and in a quite a bad way:



print preview



The printer head tries to draw a rectangle, then moves in the direction opposite to a last laid line, which with not perfect adhesion of single line messes up the print pretty badly: it often picks up last rectangle side and drags it.



Any way to change the way Ultimaker Cura approaches to lay out the grid? I would imagine that long lines that are connected to other lines would adhere to bed much better than individual squares, but I don't see any options that would allow to alter it.










share|improve this question









New contributor




n0rd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











I am trying to print an item with a rectangular grid (using PLA on Ultimaker 2+):



item with a grid



Unfortunately, Ultimaker Cura generates G-code which prints each rectangle on its own and in a quite a bad way:



print preview



The printer head tries to draw a rectangle, then moves in the direction opposite to a last laid line, which with not perfect adhesion of single line messes up the print pretty badly: it often picks up last rectangle side and drags it.



Any way to change the way Ultimaker Cura approaches to lay out the grid? I would imagine that long lines that are connected to other lines would adhere to bed much better than individual squares, but I don't see any options that would allow to alter it.







pla cura slicing






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edited 3 hours ago









0scar

9,83221242




9,83221242






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asked 3 hours ago









n0rd

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  • I agree, the slicing is not optimal. Maybe you can make an Issue at github.
    – dgrat
    47 mins ago


















  • I agree, the slicing is not optimal. Maybe you can make an Issue at github.
    – dgrat
    47 mins ago
















I agree, the slicing is not optimal. Maybe you can make an Issue at github.
– dgrat
47 mins ago




I agree, the slicing is not optimal. Maybe you can make an Issue at github.
– dgrat
47 mins ago










3 Answers
3






active

oldest

votes


















1














This sounds like you have an adhesion problem if it catches laid down filament, you might want to address that first. E.g. use a PVA based glue or spray to get better adhesion. This will result in not dragging layed down filament.



To my knowledge, Ultimaker Cura has no option to choose how you print the squares (direction and start point). However, you could use Z-hop so that it will lift your nozzle (or lower your build plate in your case) prior to moving to the next rectangle.



It looks as though you are using an older version of Ultimaker Cura as it only prints only one line of each of the small rectangle holes (or are you actually using a single wall), in later versions of Ultimaker Cura this is fixed, it will print all walls before commencing to the next small rectangular hole. This way you have more lines deposited which have a possible better adhesion to the increase of laid down material:



Ultimaker Cura showing all laid down perimeters of small holes in a print



There are also option available to start with the outer or inner wall (option Outer Before Inner Walls).






share|improve this answer































    0















    1. Use the latest stable Cura 3.6.0

    2. Ensure that the setting "Wall Line Count" > 1, recommended value is 3-4

    3. Uncheck the setting flag "Outer Before Inner Walls"






    share|improve this answer








    New contributor




    Dmitry Kasatsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.


























      0














      Slicers never create a grid by crossing the already printed lines - they print perimeters and thicken them into a shell. So if the picture that is to be printed is a #, it does not lay down first the || and then the = crossing over it, it lays down an inner square and then builds the rest to get to the shape. This operation rule is held for shells, but not for infill patterns.



      As you describe the printer picking up the printed, you have adhesion problems and your first layer might be not level or too thick.



      You might also want to enable "print thin walls" and use 2 or 3 perimeters.






      share|improve this answer





















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        3 Answers
        3






        active

        oldest

        votes








        3 Answers
        3






        active

        oldest

        votes









        active

        oldest

        votes






        active

        oldest

        votes









        1














        This sounds like you have an adhesion problem if it catches laid down filament, you might want to address that first. E.g. use a PVA based glue or spray to get better adhesion. This will result in not dragging layed down filament.



        To my knowledge, Ultimaker Cura has no option to choose how you print the squares (direction and start point). However, you could use Z-hop so that it will lift your nozzle (or lower your build plate in your case) prior to moving to the next rectangle.



        It looks as though you are using an older version of Ultimaker Cura as it only prints only one line of each of the small rectangle holes (or are you actually using a single wall), in later versions of Ultimaker Cura this is fixed, it will print all walls before commencing to the next small rectangular hole. This way you have more lines deposited which have a possible better adhesion to the increase of laid down material:



        Ultimaker Cura showing all laid down perimeters of small holes in a print



        There are also option available to start with the outer or inner wall (option Outer Before Inner Walls).






        share|improve this answer




























          1














          This sounds like you have an adhesion problem if it catches laid down filament, you might want to address that first. E.g. use a PVA based glue or spray to get better adhesion. This will result in not dragging layed down filament.



          To my knowledge, Ultimaker Cura has no option to choose how you print the squares (direction and start point). However, you could use Z-hop so that it will lift your nozzle (or lower your build plate in your case) prior to moving to the next rectangle.



          It looks as though you are using an older version of Ultimaker Cura as it only prints only one line of each of the small rectangle holes (or are you actually using a single wall), in later versions of Ultimaker Cura this is fixed, it will print all walls before commencing to the next small rectangular hole. This way you have more lines deposited which have a possible better adhesion to the increase of laid down material:



          Ultimaker Cura showing all laid down perimeters of small holes in a print



          There are also option available to start with the outer or inner wall (option Outer Before Inner Walls).






          share|improve this answer


























            1












            1








            1






            This sounds like you have an adhesion problem if it catches laid down filament, you might want to address that first. E.g. use a PVA based glue or spray to get better adhesion. This will result in not dragging layed down filament.



            To my knowledge, Ultimaker Cura has no option to choose how you print the squares (direction and start point). However, you could use Z-hop so that it will lift your nozzle (or lower your build plate in your case) prior to moving to the next rectangle.



            It looks as though you are using an older version of Ultimaker Cura as it only prints only one line of each of the small rectangle holes (or are you actually using a single wall), in later versions of Ultimaker Cura this is fixed, it will print all walls before commencing to the next small rectangular hole. This way you have more lines deposited which have a possible better adhesion to the increase of laid down material:



            Ultimaker Cura showing all laid down perimeters of small holes in a print



            There are also option available to start with the outer or inner wall (option Outer Before Inner Walls).






            share|improve this answer














            This sounds like you have an adhesion problem if it catches laid down filament, you might want to address that first. E.g. use a PVA based glue or spray to get better adhesion. This will result in not dragging layed down filament.



            To my knowledge, Ultimaker Cura has no option to choose how you print the squares (direction and start point). However, you could use Z-hop so that it will lift your nozzle (or lower your build plate in your case) prior to moving to the next rectangle.



            It looks as though you are using an older version of Ultimaker Cura as it only prints only one line of each of the small rectangle holes (or are you actually using a single wall), in later versions of Ultimaker Cura this is fixed, it will print all walls before commencing to the next small rectangular hole. This way you have more lines deposited which have a possible better adhesion to the increase of laid down material:



            Ultimaker Cura showing all laid down perimeters of small holes in a print



            There are also option available to start with the outer or inner wall (option Outer Before Inner Walls).







            share|improve this answer














            share|improve this answer



            share|improve this answer








            edited 2 hours ago

























            answered 2 hours ago









            0scar

            9,83221242




            9,83221242























                0















                1. Use the latest stable Cura 3.6.0

                2. Ensure that the setting "Wall Line Count" > 1, recommended value is 3-4

                3. Uncheck the setting flag "Outer Before Inner Walls"






                share|improve this answer








                New contributor




                Dmitry Kasatsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.























                  0















                  1. Use the latest stable Cura 3.6.0

                  2. Ensure that the setting "Wall Line Count" > 1, recommended value is 3-4

                  3. Uncheck the setting flag "Outer Before Inner Walls"






                  share|improve this answer








                  New contributor




                  Dmitry Kasatsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                  Check out our Code of Conduct.





















                    0












                    0








                    0







                    1. Use the latest stable Cura 3.6.0

                    2. Ensure that the setting "Wall Line Count" > 1, recommended value is 3-4

                    3. Uncheck the setting flag "Outer Before Inner Walls"






                    share|improve this answer








                    New contributor




                    Dmitry Kasatsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                    Check out our Code of Conduct.










                    1. Use the latest stable Cura 3.6.0

                    2. Ensure that the setting "Wall Line Count" > 1, recommended value is 3-4

                    3. Uncheck the setting flag "Outer Before Inner Walls"







                    share|improve this answer








                    New contributor




                    Dmitry Kasatsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                    Check out our Code of Conduct.









                    share|improve this answer



                    share|improve this answer






                    New contributor




                    Dmitry Kasatsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                    Check out our Code of Conduct.









                    answered 1 hour ago









                    Dmitry Kasatsky

                    113




                    113




                    New contributor




                    Dmitry Kasatsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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                    New contributor





                    Dmitry Kasatsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                    Check out our Code of Conduct.






                    Dmitry Kasatsky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                    Check out our Code of Conduct.























                        0














                        Slicers never create a grid by crossing the already printed lines - they print perimeters and thicken them into a shell. So if the picture that is to be printed is a #, it does not lay down first the || and then the = crossing over it, it lays down an inner square and then builds the rest to get to the shape. This operation rule is held for shells, but not for infill patterns.



                        As you describe the printer picking up the printed, you have adhesion problems and your first layer might be not level or too thick.



                        You might also want to enable "print thin walls" and use 2 or 3 perimeters.






                        share|improve this answer


























                          0














                          Slicers never create a grid by crossing the already printed lines - they print perimeters and thicken them into a shell. So if the picture that is to be printed is a #, it does not lay down first the || and then the = crossing over it, it lays down an inner square and then builds the rest to get to the shape. This operation rule is held for shells, but not for infill patterns.



                          As you describe the printer picking up the printed, you have adhesion problems and your first layer might be not level or too thick.



                          You might also want to enable "print thin walls" and use 2 or 3 perimeters.






                          share|improve this answer
























                            0












                            0








                            0






                            Slicers never create a grid by crossing the already printed lines - they print perimeters and thicken them into a shell. So if the picture that is to be printed is a #, it does not lay down first the || and then the = crossing over it, it lays down an inner square and then builds the rest to get to the shape. This operation rule is held for shells, but not for infill patterns.



                            As you describe the printer picking up the printed, you have adhesion problems and your first layer might be not level or too thick.



                            You might also want to enable "print thin walls" and use 2 or 3 perimeters.






                            share|improve this answer












                            Slicers never create a grid by crossing the already printed lines - they print perimeters and thicken them into a shell. So if the picture that is to be printed is a #, it does not lay down first the || and then the = crossing over it, it lays down an inner square and then builds the rest to get to the shape. This operation rule is held for shells, but not for infill patterns.



                            As you describe the printer picking up the printed, you have adhesion problems and your first layer might be not level or too thick.



                            You might also want to enable "print thin walls" and use 2 or 3 perimeters.







                            share|improve this answer












                            share|improve this answer



                            share|improve this answer










                            answered 31 mins ago









                            Trish

                            4,682938




                            4,682938






















                                n0rd is a new contributor. Be nice, and check out our Code of Conduct.










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