This collar model is discontinued, sorry! The STLs for 3D printing can be purchased here.
Enforcer Heavy Collar
$250.00Price
Brand: Starside Armory
Weight: 2 lbs
Power Source: 12VDC; 5521 connector
DIY Kits: 1-2 weeks
Finished Kits: 2-4 weeks
Shipping: USPS Priority domestic - 2-3 days
Circumstances sometimes affect turnaround times for better or worse. I will keep you updated.