Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4847635.

A simplified Raptor Engine, easy to print in one part with a FDM-Printer. Print it upside-down, to avoid the aggressive overhangs on the pipes. It may need atleast a Brimm and Supports starting from the Print-Base. I would not scale it down, the pipes are already pretty thin.

Don't expect it to be super detailed with matching all the details of a real raptor engine, it's a simplified version and changes to be better printable. 

The actual model comes from **MartianDays**! Dope account. He has many other rocket designs for CC. So in terms of Attribution, attribute him. :)
I only changed the model a bit to make it easier printable.

https://sketchfab.com/MartianDays/collections/rocket-engines
"Raptor" (https://skfb.ly/6QUu7) by MartianDays is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/). 

SpaceX Raptor Engine simplified & One-Part Print

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4820597.

Didn't found a adequate Bitcoin Signet style ring. Luckily it was a pretty easy remix! ✌️

Based on the Ring Model from @vangalvin (https://www.thingiverse.com/thing:1715897)

The model is really detailed, I definitely recommend to print the ring with a SLA Resin printer.
I don't think it would print well with a FDM printer.

I've post processed mine with golden spray paint. 

Here are some sizes to match ring sizes. Just scale them to these values and they should fit. :)

Size   7 = 17.5 x 22.3 x 21.0mm
Size   8 = 18.5 x 23.5 x 22.1mm
Size   9 = 19.2 x 24.5 x 23.0mm
Size 10 = 20.0 x 25.6 x 24.0mm
Size 11 = 20.9 x 26.6 x 25.0mm
Size 12 = 21.6 x 27.6 x 25.9mm
Size 13 = 22.5 x 28.7 x 27.0mm


Bitcoin Signet Ring

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4836667.

I needed to cut some straight horizontal slots into some timber. Hadn't really an Idea how, so I designed this Guide / Jig / Slide which fits for a Makita 3709 Router. 

It's 19cm long, which should work for slots with a max length of 17cm.

Print 1x Slide and 2x Clamps.

You might also need 4x M4 screws with at least 10mm length. Holes already added, If you have longer screws, they just poke trough, shouldn't be a problem.
As counterpart I recommend M4 Threaded Inserts, but if you are the nut-type-of-person I've also added pockets for your 4x M4 nuts.

It might also work without any screws, when you clamp it like I did in the pictutres, altough I recommend getting this timber clamped as good as possible. When these Routers kick back it's brutal. 

Router Slot Cutting Guide for Makita 3709

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SpaceX Raptor Engine simplified & One-Part Print

Bitcoin Signet Ring

Router Slot Cutting Guide for Makita 3709