ZX81/TIMEX-SINCLAIR 1000 3D Printed Case - Part 1,ZX81/TIMEX-SINCLAIR 1000 3D Printed Case - Part 1,The 21C Bio-Logic Chassis is a lesson in lightweight AI driven generative design, functional integration, patented performance materials, durability, strength, and safety. It is the world's first Pareto optimal chassis. It sets,The 21C Bio-Logic Chassis is a lesson in lightweight AI driven generative design, functional integration, patented performance materials, durability, strength, and safety. It is the world's first Pareto optimal chassis. It sets,ZX81/TIMEX-SINCLAIR 1000 3D Printed Case - Part 2