info:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F97449%2F2013/PTBolsa de Pós-Doutoramento FCT: Expeditious Modeling Framework for Interactive Sketching, Surface Editing and Manufacturing of 3-D Objects with Applications in Terrain Modeling and Reconstruction of Biomedical Structures [SFRH/BPD/97449/2013]SFRH/BPD/97449/2013