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Sale Price $14.44.
Original Price $18.05 Comp. value
per shirt
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What Part of Don't You Understand Engine Blueprint T-Shirt
Qty:
Style
Basic Dark T-Shirt
-$1.05
+$7.45
Color & Print Process
Black
Vivid Printing: White Underbase
About T-Shirts
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About This Design
What Part of Don't You Understand Engine Blueprint T-Shirt
Designed by an engineer for engineers — this CadshirtsX exclusive features a detailed engine blueprint paired with the classic phrase “What Part of Don’t You Understand?” A clever nod to mechanical drawings and technical humor, this shirt is perfect for engineers, mechanics, and anyone who loves CAD, blueprints, and precision design. A great gift for mechanical engineers, automotive students, and gearheads who appreciate engineering inside and out.
Customer Reviews
4.7 out of 5 stars rating31.5K Total Reviews
31,480 Reviews
Reviews for similar products
5 out of 5 stars rating
By Jenny S.September 9, 2025 • Verified Purchase
Value T-Shirt, Black, Adult S
My 11 yo wore adult XL (5’7” 165#). The 8yo is small framed. She wore adult small and tied it in the back. Dark haired male wore adult large and 5’9”, 110# female wore adult medium . Good quality dark Heather gray, Gildan brand shirt. -it was next up from basic choice and cost about $20 per shirt. Not too thick or thin. Washed and dried well, no major shrinkage. Not see-through. Can wear a bra under it fine. Screen print is just as shown and well done, front and back.
5 out of 5 stars rating
By Jenny S.September 9, 2025 • Verified Purchase
Value T-Shirt, Black, Adult S
My 11 yo wore adult XL (5’7” 165#). The 8yo is small framed. She wore adult small and tied it in the back. Grandma wore adult large with long sleeve shirt underneath. Tall girl adult medium. Dark haired male adult large. Good quality dark Heather gray, Gildan brand shirt. -it was next up from basic choice and cost about $20 per shirt. Not too thick or thin. Washed and dried well, no major shrinkage. Not see-through. Can wear a bra under it fine. Screen print is just as shown and well done, front and back.
5 out of 5 stars rating
By Jenny S.September 9, 2025 • Verified Purchase
Value T-Shirt, Black, Adult S
My 11 yo wore adult XL (5’7” 165#). The 8yo is small framed. She wore adult small and tied it in the back. Good quality dark Heather gray, Gildan brand shirt. -it was next up from basic choice and cost about $20 per shirt. Not too thick or thin. Washed and dried well, no major shrinkage. Not see-through. Can wear a bra under it fine. Screen print is just as shown and well done, front and back. Everyone loved them!! .
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Other Info
Product ID: 256701452558165088
Created on: 9/19/2025, 3:59 AM
Rating: G
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