vibranium cutter (for less than 10$)

An (under 10 $) minimalist design for a rechargeable rotary cutter
Little bit of soldering is required for micro usb charger and battery
Printer with 20% infill and support
Usb charger 3.64 $ per 5 units (.725 $ per unit)
https://www.banggood.com/5-Pcs-TP4056-Micro-USB-5V-1A-Lithium-Battery-Charging-Module-Board-TE585-Lipo-Charger-p-1255762.html?rmmds=myorder&cur_warehouse=CN

chuck 1.59$
https://www.aliexpress.com/item/XCAN-7pcs-0-5-3-0mm-brass-chuck-mini-collet-drill-chuck-for-dremel-r