基本绘图设置 DraftingSetBalanceConnectors.stl(228.6KB)，DraftingSetTriangeCovers.stl(0.96MB)，DraftingSetToppers.stl(124.4KB)，DraftingSetPencilCaseBase.stl(12.58KB)，DraftingSetProtractorHandle.stl(334.26KB)，DraftingSetBalanceStands.stl(608.68KB)，DraftingSetCombinationScale.stl(0.97MB)