HingeBox Printable As An Assembled Unit Without Supports
by profhankd, published
It is really a test/demo of a new hinge library I've been building using an improved "unit hinge" similar to my thing 83033. I'll be releasing the OpenSCAD/Customizer library to make hinges shortly, but since there has been a lot of activity on thing 83033 lately, I figured I should let folks know what's coming....
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Any word on the scad file? I have some interesting applications for this and would love to run with it. Great design.
Oh, so that's what you meant.... The only benefit I've seen from that is slightly-less-bad prints on an uneven bed. I've been printing a lot of camera parts, and the imprecision introduced by a significantly fatter first-layer diameter with Slic3r was not ok. I adjust the bed and run the first layer at (roughly) the same diameter extrusion, and usually get watertight first layers.
I'll think about providing for compensation in the model. My intuition is that Slic3r is really at fault for not compensating correctly when you tell it to extrude a thicker first layer.... Incidentally, I've recently switched from Slic3r to Cura -- it seems to do a much better job, and it's orders of magnitude faster.
Our prints detach from the bed just fine; that's not the issue. Most people print their first layer with a higher extrusion width, to improve adhesion and make a solid base for the print. Slic3r, for example, defaults to making the first layer twice as wide as the layer height, with the higher layers narrower. Because of that, the gaps between the hinges were closed up on the first layer when we printed them. I was suggesting that your library could allow for that, so that the prints would be more likely to work for a printer other than your personal one. But of course that's entirely up to you, and if you do choose to release your library, someone else can always make that change.
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