Simple Polygon Elements
by ambrop7, published
I made these after I tried mrule's faces ( thingiverse.com/thing:5961 ), which were too small for my RepRap to print correctly, and they were impossible to assemble when scaled up. The locking mechanism is copied from the "Polydron Frameworks" product. I've only tried printing triangles so far, faces with more sides are probably not very rigid.
Update: reduced frame and hook width, and added a protrusion on the female hooks so there isn't a hole. The new parts are compatible with the old ones.
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I've never seen this problem. Does this happen on the STL which I provide too? I've just sliced faces-3.stl with Cura and the result is correct.
I'm having a few issues on all of my parts. The hook(male, female, and lock), are all building like they are are like a millimeter away and have their own perimeter which seems to cause build issues. When I look at the tool path I can clearly see which ones are going to have their own perimeters. I've looked at the openscad file. I have changed the hook_width and frame_width to see if more body between the parts helps but that has not helped. I've tried several slicers to generate different toolpaths.
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The source is in OpenSCAD. Parameters have human-readable names; you can adjust all parameters in the declaration of the face() module. The defaults work well for the green PLA plastic I got from FormFutura, which is rather hard. You can get a stronger or weaker connection by adjusting the hook_width and hook_cone_height. The hook_length can also be adjusted, but be careful, because a shorter hook will reduce the range of motion.
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