by KidCrazy, published
My design goals are:
- no vitamins (i.e. completely printable except electrics/electronics)
- easy printing (avoiding excessive overhangs, etc.)
- easy assembly
Update: added the sketchup file
Update 2013-04-30: Added stronger spring.
Update 2013-05-15: Added teeth in thingiverse.com/thing:89457
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Oh good point about the spring compression, didn't think of that. I was mostly suggesting the single piece print because I've noticed designers get mad extra brownie points here on TV for single piece printed assemblies. I think it's more for cool factor than usefulness, at least for most designs.
Keep up the great work, I love your push/push switch design too!
I will see if I can make it this evening. Shouldn't be too big of a change. I don't recommend printing it in one piece, because the spring must already be under compression when the clamp is completely closed. Also, your slicer or printer might glue the pieces together during print which would prevent clean opening and closing. The clamp is pretty simple to assemble, so I don't see any advantage in printing it as a single piece.
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Maybe you will have to make the spring in a separate print, because it tends to come of the bed when the nozzle moves over to another part.
I printed with a 0.5mm nozzle and an extrusion width of 0.55mm. If you have any problems using other settings, please tell me.
When you're done printing, clean up the joint very thoroughly. Any bumps will avoid the clamp to open and close smoothly. After that, assemble the left and right part of the clamp by pushing the "male" part of the joint into the "female" part. You will need a slight amount of force for this. Then insert the spring as seen on the images and you're done.
##Additional information for Ultimaker/Cura users:
It seems as if Cura has some problems with producing the gcode for the spring. v1.1 seems to produce better results, but still not as good as the same sliced wit slic3r 0.98. Please consider using another slicer for the spring if it shouldn't come out springy enough.
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