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The success of any design hinges on its weight and center of gravity. These parameters are fundamental to stability, speed, capacity to carry cargo (whether it be passengers, containers, or weapons), seakeeping performance, etc. Weight and CG tracking therefore must be a fundamental part of any design process.

Cost is another critical factor in the success of a design, and good engineering practice calls for cost considerations to be closely tied to the design process.

Orca3D allows you to track the overall weight, center of gravity, and cost of your model, by attaching weight and cost properties to individual objects (points, curves, surfaces, meshes, solids, polycurves,  polysurfaces, meshes) in the model. These properties can be fixed values (for example, 28 kgs., or $175), or can be weight or cost "densities" (for example, 3.8 kg/m^2, $52.50/foot, etc.). Finally, a report can be generated summarizing the total weight, cg, and cost.

A library of standard materials can be created, to make it easy to assign stock materials to objects in your model.