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Spool Pin for Hardware Store Spool

by ScribbleJ, published

Spool Pin for Hardware Store Spool by ScribbleJ Jan 16, 2011
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License

BSD License
Spool Pin for Hardware Store Spool by ScribbleJ is licensed under the BSD License license.

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2841Views 907Downloads Found in 3D Printer Accessories

Summary

I stopped by my local hardware store and purchased a couple of spools meant for electrical wiring. Trying to roll the 5lb roll of filament onto it was a COMPLETE disaster... to cut an embarassing story short, I now have many sub-1/4lb rolls of ABS instead of one 5lb roll.

So instead, I removed the handle from the spool forcibly, and cut the axle in two parts (but not half! See photos!) so that I could take it apart and fit it through a roll of ABS, hopefully to greater success.

This pin can be used to join the two pieces of the spool into one again once the plastic is on the spool.

The OpenSCAD file for this is just plain awful. I'm including it out of open-ness, but it's not worth having. It is the first thing I've done in OpenSCAD (or at all really) so I wasn't trying to be proper, just playing with some basics.

Instructions

Get a spool of the same model and brand (Bayco Kord Manager ) from your local hardware store. I believe, but will not promise, it is this item on Amazon.com:

http://www.amazon.com/gp/product/B0000BYDKO/ref=pd_lpo_k2_dp_sr_1?pf_rd_p=486539851&pf_rd_s=lpo-top-stripe-1&pf_rd_t=201&pf_rd_i=B0026GHL9Y&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=1CQKD1DGW6G7DP23NWVB

Take the hardware spool, use something you can reach down in the hole to cut off the tabs on the handle and remove it. Or just pop it out, if you can; I was unable. If you ARE able to just pop it out, you probably don't need this part at all, you can just use the handle to hold it together.

Remove the spool from it's frame by stretching the frame. Remove it along the spaces between the hole, so the frame part of the axle doesn't catch in the holes and stick.

Using a hacksaw or whatever is handy, cut through the spool's axle about 1/4th of the way down on the handle side, so you cut through the middle of the hex-shaped shaft.

Pop it through your plastic, push in the pin, and put it back in the frame. Happy printing!

Just a warning: I broke one of the tabs trying to get it back off again, which is OK, it works with three, but you might want to NOT 'test it out' it before you have the spool of plastic in place...

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You need to make sure that in openscad that your design is sitting flush with z = 0...otherwise if people don't check and they go to print with replicator g....their toolhead will try to print under the platform which digs it into the bed. I would fix it if I were you.

That would be frightening if it were true, but Skeinforge always places the first layer at an appropriate Z height.

I'd just like to follow up after a few days of printing. These spools work great for keeping plastic constrained, but despite the success other people report, mine won't despool itself really, I have to pull out a good length by hand occassionally.

This is perfect for a 5lb roll.

I found with a 1lb roll, you don't even have to cut the axle, you can put the roll over the entire spool. Once you put it back int he frame, it's all nicely constrained and will stay.

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