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petr-moucha

Customizable OpenSCAD Fletching jig

by petr-moucha Jun 16, 2019
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Really, really good work. Thank you very much for sharing!

Hi petr-moucha! Nice work. I was working on my own jig, and was halted by the "helical"-build. I do not have the knowledge to create that yet. So, accidently I found your template and it looke kind of like the one I imagined. Plain and neat!
I'm a beginner, so I need some advice: Can I somehow import one of theese arms into tinkerCAD (or any other you would reccomend) and adjust it?
Edit: I easily downloaded the template and imported it to tinkerCAD, however, I wish to print arms for 5" feathers with 3 degree rotation (both left and right, but that I can handle). Could I please ask you to help me configure the helix arm for 8 mm shaft, 5" feather and 3 degree rotation? I think that kind of skill would take me a year to aquire on my own:)

Hi, thank you for your feedback! Please read the thing description, more specifically How to use.

You don't need to manipulate with included stl's at all, that would be very complicated and might not even be possible (if it is, certainly not in Tinkercad :D). My design is customizable for a reason - like many others on this site it uses OpenSCAD to generate stl's. Main advantage is that you can easily set all of those parameters you mentioned on your own and create custom version of my design without any hassle. You just type in your desired dimensions and poof, you got yourself an stl exactly like that.

If there's still anything unclear in my instructions, please let me know!

That sound great! I've been fooling around with stretching, twisting and drawing things (I'm totaly in the start phase with 3D. Haven't even recieved my printer yet) . It sounds like I should rather focus on "programming" them. I'll check out openSCAD. Thanks

You don't need to understand the code tu use this jig, but it won't hurt and it could definitely be useful for you in the future. You've put programming into quotes correctly, because I wouldn't consider working with OpenSCAD programming. It's more like HTML. You just write what you want and where. Yes, there are some aspects of programming (like cycles), but there isn't much and it is pretty easy to get into, so give it a shot :)

Comments deleted.

Great work! I am currently printing a custom parameter version from the openscad files.
How do I print just the arms, so I can add the other 2?

Thank you! For now, you have to put the exported STL into PrusaSlicer and there you should be able to separate 3 objects and then you can arrange them on a plate. Arms should be placed on the flat side and printed 3 times (PrusaSlicer allows you to do exactly that). Like I stated in the description, I'm already working on a simplified approach, which should be finished soon.

Thanks for the reply. I look forward to seeing your update. I accidentally printed with support and the single arm broke at the hinge. Trying again without support.

I discovered that if you set the base height to 0, it will create an arm without the base, however it creates an extra bit at the top without the indent. I imported the stl into meshmixer and cut the top to remove the extra, and split to a single object. I will try the print tomorrow after the second attempt at the base finishes.

You really don't need supports. Maybe a little brim for arms, just to be safe. Here is how I printed them. Use Edit -> Separate shells in Meshmixer to isolate all three parts.

I know about this and it'll also be adressed in the next update (i could finish it till this Sunday or sooner, but I'm not making any promises).

I forgot about separate shells. Thankyou for the tip!