<JordanBrown1>
Is that a picture of the head, or of the (one?) extruder-motor widget?
<JordanBrown1>
So the individual head has no motor, and has filament sticking out of it, and as part of docking the bigger head clamps onto that filament?
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<J25K97>
JordanBrown1 imagine a tube that has a Taille where those gears interlock
<JordanBrown1>
But looking at that picture, it looks like the main head grabs the filament in that cm or so that it's open in the middle of the little head.
<JordanBrown1>
That makes sense. Of course it means some additional mechanism to automatically open and close that clamp.
<J25K97>
it is what the filament path on every extruder looks like .. just to move out
<JordanBrown1>
My extruder has a clamp with a spring and a lever to open it, but doesn't have an electromechanical way to open it.
<JordanBrown1>
(And, mostly, it seems like it doesn't even need what it has... I use that lever approximately never.)
<JordanBrown1>
Anyhow, makes sense, thanks.
<J25K97>
not sure how they solved it but i assume the nozzle is just moving "the lever" when in
<JordanBrown1>
Ah, indeed, it doesn't need to be a separate electromechanical device; it could just be that docking lets the clamp clamp and undocking unclamps it.
<ed87>
essentially, if you comment out either "Body();" or "Viewfinder();" you'll see that there's an empty box ("body") and a pipe like object ("viewfinder"). I'd expect that the union of these preserves the pipe-like nature of the viewfinder (you should be able to see all the way through). But instead, the skin of the body ... ok as I'm typing that I
<ed87>
realized the stupid error I am making.
<ed87>
this fixes my object: https://github.com/edmund-huber/juliacam/commit/29cdc573de0187a0ced894fa79eb4f41f0b2e186 :p so obviously I'm an openscad noob.. and now I'm starting to realize what people mean when they talk about the spaghetti code you sometimes have to do to get csg operations to do what you want. Is there a better way? Like ideally, the
<ed87>
entire description of the viewfinder would be in the Viewfinder module.
<gbruno>
[github] github-actions[bot] assigned issue #5451 (The OpenSCAD editors Find and Replace sometimes distinguishes between upper and lower case, sometimes not.) https://github.com/openscad/openscad/issues/5451
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<Scopeuk>
JordanBrown1 the head uses the extruder motor to close/open the extruder gears, there is a button on the front of the tool head it pushes onto a rigid post mounted on the frame that mechanically shifts it between grab/release and extrude/retract. There is some auto tension system in there as well but I'm not as sure how that works
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<Scopeuk>
Ed87, sometimes I will have positive and negative shapes which I carry as two parallel models with the final subtraction at the end. Children let's you pass one shape into another