3D Systems has applied for patents for the following innovations and technologies: the rapid prototyping and manufacturing system and method; radiation curable compositions useful in image projection systems; compensation of actinic radiation intensity profiles for 3D modelers; apparatus and method for cooling part cake in laser sintering; radiation curable compositions useful in solid freeform fabrication systems; apparatus for 3D printing using imaged layers; compositions and methods for selective deposition modeling; edge smoothness with low resolution projected images for use in solid imaging; elevator and method for tilting solid image build platform for reducing air entrapment and for build release; selective deposition modeling methods for improved support-object interface; region-based supports for parts produced by solid freeform fabrication; additive manufacturing methods for improved curl control and sidewall quality; support and build material and applications.