3DPrinting

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3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.

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I have a basic shoe design (pixelfed.sdf.org)

submitted 1 week ago by [email protected] to c/[email protected]

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As you know, I started designing custom 3D-printed shoes for myself. This is a follow-up.

So, I spent some time modeling a basic, thin-walled shoe. Nothing fancy, just a quick something to test the fit and do my first TPU print - although I'll probably start with test pieces before printing this doozie.

One shoe fits on the bed of our Prusa Mk4 - barely.

It's a 17-hour print. Yikes! I think I'll probably do this over the next week-end, otherwise my colleagues will kill me.

The support is mostly inside the toe box and promises to be a real b*tch to remove:

TPU supports

The shoe is very close-fitting, but I've left 2mm all around inside: if I mess up, or if the TPU shrinks like I think it will, it has a chance to remain wearable. If it doesn't, I'll simply put a sock on.

Right shoe model

Stay tuned 🙂

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[–] [email protected] 2 points 1 week ago* (last edited 1 week ago)

Rather than print it flat, is there an angle you could print it at that would allow for eliminating most/all of the interior supports? E.g. toe angled down, heel angled up.

Ooh that's a GREAT idea! I plain didn't think about that but it totally makes sense. Thanks! I'll goof around with that tonight in the slicer to see what's the minimal resource utilization I can achieve. Hell, I might even be able to squeeze both shoes in there.

I've never printed TPU for such a long duration. Do you have it printing directly from the filament dryer?

Yes. My plan is to load the brand-new roll in the dryer on Thursday and set it to dry at 70C overnight, print a bunch of test parts on Friday, then if they pass muster, start the big print on Saturday morning.