Small simple stencil to draw Sin/Cos Functions. Modelled in fusion 360 using the add-in "EquationCurves" with the equation Sin(2𝑥).

Printed facedown to avoid bulging on the drawing edge.

Sin/Cos Stencil

SinCos Stencil.step

This is a 3d printable Bramah lock. Modelled from reference images. Adjustments have been made for 3d printing e.g. thicker sliders, tolerances etc. This model is not to scale.

Assembly
- check that the notches can fit into the groove in the core (if not use small wire cutters to widen groove)
- line up the sliders in shortest to longest (the shortest being Slider 1 and longest Slider 5)
- turn the core upside down so that the sliders can be inserted into it. And the stopping pin is facing towards you (at the 6 o’clock position)
- starting with slider 2 (second shortest) insert the slider into the 2 o’clock position. (use a small screw driver to poke it into its hole)
- than repeat clock wise with slider 3 going into the slot at 5 o’clock etc. (Do not insert slider 1)
- using a small screw driver make sure the sliders are in position. Than drop the pin top and ring slider into the hole (if needed use the screw driver to manipulate the sliders)
- I used an old printing bed spring cut in half and meshed together. I than twisted the top half of the spring so it was level with the end of the core. (drop the spring in now)
- than carefully place the drop pin in so that it interfaces with the pin top. And press it into the core (it might help to hold the pin into the core, flip it over and press the core into the table), (if the pin is loose than keep the core upside down)
- than snap the notches into the core groove (it might take some wiggling)
- than place the case body into the core assembly. Slowly rotate the case body until the notches slot into the case body. (pay attention to where the stopping pin is), (this can also be done upside down)
- than thread the grip ring into the case body until tight
- insert slider 1 into the last slot in the core body
- try pressing into the pin top to check it can move
- the key might be stiff at first. Rock it back and forth until it moves smoothly.

Bramah Lock

Bramah_Parts.stl

A 3D printable lid for an IKEA PRUTA container. Designed to mount an IR camera with no lens. I have left it out at night and have had no issues.

I recommend printing the test parts first, to check the fit. if the Wild_Life_Camera_Lid_Test.stl fits inside (it should roughly be level with the brim of the container) and your IR camera fits into the other test print and you have the same IKEA container than you can just print the Wild_Life_Camera_Lid_IR_Camera.stl if the test print does not fit edit the first sketch of the fusion file. (everything is linked to that first sketch)

Print Settings
- Supports
- Brim

Wild Life Camera Lid

Wild_life_Camera_Lid_IR_Camera.stl

3D printable case for a USB thumb drive. Designed to be printed in three parts. The internal features and clasping mechanism are copied from an old drive. The models are intended to be printed vertically, with supports. A small layer height is recommended, I printed mine at 0.1mm. Designed in Fusion 360.

A large brim is recommend.

USB Case Design

USB_Design_Final

USB_Case_Top

USB_Case_Bottom

USB_Case_Cap

more models on my grabcad page: https://grabcad.com/tom.bevan-2/models

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Tom Bevan

Sin/Cos Stencil

Bramah Lock

Wild Life Camera Lid

USB Case Design