
Sturdy vase-mode screw container (variable height)
prusaprinters
Designed for 0.4mm nozzle with extrusion width set to 0.6mm. See below for other settings.This container is quite rigid for a vase mode print, partly because having double walls, partly due to the thread pattern, and partly because of the 0.6mm extrusion width (standard is 0.45mm for a 0.4mm nozzle).Do not over-tighten it though - each wall is still only one layer wide.Due to it's full thread design it can hold items from design height to about double that height minus 10 mm (or more than 10 mm if scaled up in height). If used that much extended it'll be less rigid then of course (having only one wall in most places).The top is 5mm shorter than the bottom, so it doesn't vanish inside the top and can still be grasped.You can screw the lid onto the bottom of the bottom part, so it doesn't get lost while you don't need it.You can combine a tall bottom with a short 20mm lid for a more traditional lid experience (it's less rigid and less flexible though). Or you use combine one bottom with two lids, screwed to both sides of the bottom part to get an additional small second compartment. Or you could even scale up an additional lid (see scaling tips below) to screw it onto the first lid to get another additional small compartment.I included files for a lot of diameter and height combinations. Use scaling for special dimension needs (see scaling tipps below).Noted heights are inside dimensions. Inner height also depends on number of bottom layers though. Outside dimensions are 1.4mm taller and 4.8mm wider (more if you scale up).The threads have multiple starts, so scewing on and off doesn't take that much turns. The wider ones have even more thread starts.Because of vase mode, the prints take only a few grams of filament, great for using up some last meters! The small to medium ones take 2-5g and use 20-60 min (bottom and top each, standard settings).It is also fun to fidget with (I fidgeted quite a bit with the 20/60 for example).Most of these were printed in recycled PLA Prusament (hence the color).I first put this into the mechanical marvels competition because screws! However, when the vase mode competition showed up, I found it was much better suited there…Printing tips:It's designed for 0.4 mm nozzle and 0.6 mm extrusion width. It has low tolerance/clearance for smooth operation without wobble; if you use a different tip or extrusion width, or it doesn't it for some other reasons, you might want to scale up/down the lid diameter a bit. In that case only scale x and y dimensions, not z! See scaling tips below.Use different layer heights for top and bottom to avoid loud layer-to-layer-scratching. I use 0.15mm and 0.19mm, resulting in quite smooth operation.I use 3 bottom layers for small diameters, but 4 or 5 for bigger ones. I use archimedean chords bottom infill because I like that look.Once the bottom layers are done, you can speed up the print on the printer to 200%. Alternatively disable auto cooling in the filament settings of PrusaSlicer, but that may be too fast... 30mm/s seem to be ok (depends on printer and filament).If you need a different size, scale! Take the set with the closest dimensions and scale them up or down to your needs. See scaling tips below.Scaling height: Simply use the same scaling percentage on z dimensions for bottom and top.Scaling diameter: If you scale the diameter (x and y direction) by just a few percent you can get away with the same percentage for top and bottom, too. However ideally you scale the lid to be bigger by 1.4 mm, so: 1. Scale bottom part to your needs. x and y need to have the same scaling, z may be different. 2. Remember scaling percentage for z, but actual new dimensions in mm for x and y. 3. Scale top part in x and y dimension to be bigger than the bottom part by 1.4mm in absolute dimensions. 4. Scale z by the same percentage as the bottom part.If you use a different nozzle or extrude diameter or your printer needs more clearance, try other differences than 1.4mm; for the 0.45 standard extrusion width let the top be only 1.1mm bigger than the bottom (for a 0.6mm nozzle and 0.65mm extrusion width I'd guess 1.5mm, but I have none to test).Don't throw non-matching lids away! Remember it's diameter, and when you found a good top/bottom diameter difference, use it to print a new bottom for that previously non-matching lid. There's always a use for a container...
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