Complex sentence: Its glass transition temperature makes it a material of choice for rapid prototyping--relatively high as to reduce unwanted deformation at slightly elevated temperatures but low enough to be safely attainable with standard extrusion setups.
Split into simpler sentences: Its glass transition temperature makes it a material of choice for rapid prototyping. Relatively high as to reduce unwanted deformation at slightly elevated temperatures but low enough to be safely attainable with standard extrusion setups.