Your son can also use Fusion360 for free as a student. You can add a 2D drawing and trace the lines using the program.
Many years ago I taught science on the island of Guam. In the harbor you could dive to a Japanese dive bomber at a depth of about 30 feet. After...
Thomas Colvin in his book "Steel Boat Building" includes all the plans to build his pinkie cargo boat. The whole book is in fact an instruction...
