I used 2,5x6cm is this be problem, Sides will be 2 cm thick OSB or yacht (waterproof) plywood? Thank you for your attention.
I spent the last 10 years before retiring doing computer design for Boeing and am impressed with your skills.
Thanks for your good think abaut my drawings. I am a design and technology teacher in my country.
Thanks a lot. I have not not seen a teardrop or TTT, exept photos. I need some pratical suggestions about my model. I thank everyone to help me.