Isometric Notebook: Isometric Graph Paper Notebook 200 Pages 8.5 x 11 Inches for 3D Design and Math, Grid Of 1/4 Inch Equilateral Triangles

Helps me stay on track for my engineering class I recommend this product

Product was exactly what I expected to get and was on time. Thank you.

I was going to use this to sketch out ideas for a class I was taking in illustration, but since the lines are black, it's hard to use pencil and see what you're doing. Blue lines would be better.

Bent in half on arrivall so that’s that.