Your search for "diy printer" revealed the following:
LDO CNC all wheel drive kit for Voron v2.4 and Trident
$104.99
$129.99
Edge of 3D Top Fuel Dragster Hardware Kit by Honeybadger
$199.99
$249.00
Stealth changer CNC Shuttle kit by Fysetc
$29.99
$34.99
$15.99
Ender 3 NG Bed Carriage by Honeybadger
$49.99
$54.99
$120.00
Voron Trident Functional Printed Parts by PIF
$139.99
$159.99
$15.99
$24.99
$23.99
TETRAS: Filament Dryer Series X by EIBOS
$209.99
$219.99
$28.99
$39.99
V2.4/Trident Titanium Extrusion Backers
$64.99
$74.99
$49.99