N‐Unsubstituted and N‐Arylated Fulleropyrrolidines: New Useful Building Blocks for C₆₀ Functionalization.

Abstract

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Rapid Prototyping Design of 3D Models by Reverse Engineering

“…In reverse engineering, the coordinate values of contours of existing workpieces (specimens or models) can be measured accurately and rapidly with 3D digital measuring instrument and then their surfaces can be reconstructed. After edited and amended, the surfaces are transferred to a normal CAD/CAM system and then are sent to CNC for processing manufacturing by NC processing route of the cutting tool brought by CAM or rapid prototyping machine to make the models [1]. The prototype of workpiece can be modified and redesigned with the CAD model reconstructed in reverse engineering.…”