This is a compact CNC that uses a 1.5kw spindle. The gantry is made from 2x2" steel. The machine has a workspace of 350x250x130mm. It uses hgr15 linear rails and sfu1204 ball screws. All the parts can be sourced for approximately 1000$. This was inspired by the printNC, however it is more compact and cheaper. 

Compact DIY CNC (Mostly metal)

Full Assembly.step

This is a simple modern headphone holder. The inside piece gets screwed/bolted to a surface, and the outer pieced gets slid on with a bit of glue. The end result is a "floating" headphone holder. 

Modern Wall/Desk mount Headphone holder

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4893893.

This is a simple axolotl model that should be very easy to 3d print, only requiring a couple of super short bridges. 

Axolotl Model

I'm building a laser engraver with a school grant, and here is my design!

Features:

coreXY
270mm * 270mm cutting area
compatible with all 40mm * 40mm lasers (I'm using a 5w one)
Runs on an Arduino UNO with a CNC shield and drv8825 drivers
Easy focus adjustment
$400-ish for everything, and about 1 spool of PETG
All parts print with no supports
Can reach the arduino 8-bit speed wall
List of materials:

2x Nema 17
16x f623zz bearings
2x gt2 6mm 20tooth 5m bore pulley
5m 6mm gt2 belt
Assorted m5 screws
Assorted m3 screws
m2 t-nuts
3x 500mm 2020 v-slot
2x 500mm 2020 t-slot
V-Wheels
Eccentric nut/Spacers for V-wheels, 6mm thickness
40mm * 40mm laser (I'm using 5w, but anything will work depending on your budget) 
12v @ 6 amp power brick
Arduino UNO
Arduino UNO CNC shield
2x drv8825 driver
Mini bread board
I don't really have any instructions or documentation other than the designs for now, but once I polish up this project I'll work on the docs. 

CoreXY Laser Engraver

I'm a high school student that likes to design things sometimes

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Compact DIY CNC (Mostly metal)

Modern Wall/Desk mount Headphone holder

Axolotl Model

CoreXY Laser Engraver