Compositions and methods for selective deposition modeling

A combination of compositions used to produce a three-dimensional object with a selective deposition modeling apparatus, the combination comprising:

• (a) a build material comprising:
• (i) a build hydrocarbon wax material defining a melting temperature of between about 70° C. and about 80° C., wherein the build hydrocarbon wax material comprises between 75% and 85% by weight of the build material, and
• (ii) at least one build viscosity modifier defining a softening temperature of between about 90° C. and about 145° C. and defining a hydrocarbon resin free of oxygen, wherein the build viscosity modifier comprises between 15% and 25% by weight of the build material,
• wherein the build material defines a viscosity of between about 11 and about 14 centipoise at 80° C. and the build material defines a melting temperature of between about 65° C. and about 85° C.;
• and
• (b) a support material comprising:
• (i) a support hydrocarbon alcohol wax material defining a melting temperature of between about 52° C. and about 65° C., wherein the support hydrocarbon wax material comprises between 60% and 68% by weight of the support material, and
• (ii) at least one support viscosity modifier defining a hydrogenated rosin that comprises between about 60 and about 200 acid number, wherein the support viscosity modifier comprises between 32% and 40% by weight of the support material,
• wherein the support material defines a viscosity of between about 11 and about 14 centipoise at 80° C.