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I’ve had several models now that I’ve had to print with a hollow opening in the bottom. These openings are sometimes 5-10 cm high, but only 1-2 cm in width/length. So I have a very tall line of support material that is surrounded on 5 out of 6 sides by solid walls. How do you break away support material in this case? Even when I tell Cura to leave a wide x/y gap, it still connects the lines to the surrounding walls at the ends. Is there any good solution other that water soluable support material?

2 Likes
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Hmmm…I think for this one you can control those supports by Software. I would recommend buying Simplify3D, you can manipulate the supports and tell specifically where to put them.

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Could the 1-2 cm be bridged by your printer? If so, I would echo the recommendation for Simplify3D as it would give you the ability to easily remove that troublesome (and hopefully unnecessary) support.

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Yup Totally agree, Simplify3D its totally worth it, for the price you pay

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Small dremel with a cylindrical cutter? You’d need to rig and extension and use slow speed.