Glassdoor handle for grandma's bookcase

Glassdoor handle for grandma's bookcase

prusaprinters

I've followed this FreeCAD Tutorial - Basics - Chess Rook tutorial to trace the shape from a photo of another door handle. Some kind of tutorial is absolutely necessary for FreeCAD; the way the editing modes work in that software is quite unintuitive.For slicing, the rotation is chosen to minimize the amount of material. It turned out that having supports all over the (ideally smooth) front face of the print was an awful decision. Thankfully, I was able to fix the rough face where the supports were attached, with sandpaper. I finished with grit 230, which made the print smooth enough for a pleasing touch, without feeling like I'm going to get a plastic chip under my skin any moment. (I managed to find some truly vintage sandpaper for the job; see the attached picture gallery.)This is my first print with supports. It looks to me that either too much of the supports stuck to the print, or that I managed to tear away some layers from the print together with supports. In any case, the supported face is quite uneven. Thankfully, after sanding it a bit, it looks quite artsy.In slicer settings, I set 4 perimeters minimum. This ate into the size of the screw hole. I had to make test prints (see picture with silver disks; too small, too big and the just right one) to figure out how I need to size the hole so that the screw will go in. (It turned out that hole diameter shrinks by 0.25mm compared to what I have in my model. There is a PrusaSlicer issue #515 for the shrinking holes, also see my comment on a feature request #3651 for a measurement feature.My screw has diameter 3.5 mm when measured without the threads, and 3.8 with the threads. I printed a 3.6 hole in the part for it, and it seems to catch and hold just fine in it.The door is held by a magnet, so the spacer under the screw head has to be iron. I originally planned to print something, but I managed to get a decent spacer which is sunk to accommodate the head, and it is shaped so that pressure does not go from the screw head to the edges of the hole in the glass.The material of the final print is PLA in Prusa Galactic Black shade.I have no idea what's the name of the bookcase. There might be a label in the back, but I'd have to take out the books to get to it. That thing is even older than the sandpaper mentioned above, so I doubt you'd be able to buy one such now.

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