Nonplanar 3D Printing of Epoxy Using Freeform Reversible Embedding

Thermally cured thermoset polymers such as epoxies are widely used in industry and manufacturing due to their thermal, chemical, electrical resistance, mechanical strength toughness. However, it can be challenging 3D print thermally thermosets without rheological modification because they tend flow not hold shape when extruded cure times of minutes hours. printing inside a support bath addresses this by allowing the liquid polymer held place until is fully expands structures that printed extrusion limited layer-by-layer. Here, use Freeform Reversible Embedding (FRE) off-the-shelf epoxy into lattice using nonplanar reported. To do this, authors investigate how direction space impacts filament morphology fusion at intersections. Furthermore, advantages approach shown produce geometries show ≈ four greater specific modulus compared with other materials techniques.