Coffee Mug Blueprint T-Shirt, Fuel Delivery System Rev C Engineer Tee, Coffee Lover Engineering Gift

Nothing in the building runs until this part does. The back is a full engineering drawing of a coffee mug, the Fuel Delivery System, now at Rev C after somebody finally increased the capacity. Tolerance Stack is made for the people who hold the numbers: machinists, CAD jockeys, quality inspectors and the engineers who have to explain the drawing to all of them.

What you get

• Front: small left-chest drawing title block: Tolerance Stack logo, TITLE: FUEL DELIVERY SYS., DWG NO. TS-005, SCALE 1:1, REV C (about 4 in)
• Back: blueprint-style drawing of a coffee mug: front view with steam in phantom lines, ⌀3.25 and 3.75 dimensions and a handle callout (added Rev B), a hatched section A-A with a MAX FILL line, general notes ("Operator not rated for use before first fill"), a revision table and a title block drawn by NEEDS COFFEE
• Printed with premium DTF transfers and heat-pressed by hand in Charleston, SC

Choose your shirt

• Comfort Colors 1717: heavyweight 6.1 oz garment-dyed cotton, relaxed fit (S–3XL)
• Bella+Canvas 3001: lightweight 4.2 oz Airlume cotton, softer retail fit (S–3XL)

Best on dark shirts: Comfort Colors in Pepper or Black, Bella+Canvas in Navy or Black.

Colors may vary slightly by screen.

Care

Wash inside out in cold water, tumble dry low or hang dry, don't iron the print.

Production & disclosure

Designed by Elevated Designs LLC using digital design tools, with AI assistance. Printed and pressed to order in Charleston, SC.

Tolerance Stack · engineers, machinists and CAD designers — designed by Elevated Designs and printed to order in Charleston, SC.