{

// Create a scene

mplot::Visual v(1024, 768, "A rhombohedron");

v.showCoordArrows (true);

v.coordArrowsInScene (true);

v.lightingEffects();

// Parameters of the model

sm::vec<float, 3> offset = { 0.00, 0.00, 0.00 }; // a within-scene offset

sm::vec<float, 3> e1 = { 1, 0, 0 };

sm::vec<float, 3> e2 = { 0.5, 1, 0 };

sm::vec<float, 3> e3 = { 0, 0, 1 };

sm::vec<float, 3> colour1 = { 0.35, 0.76, 0.98 }; // RGB colour triplet

auto rv = std::make_unique<mplot::RhomboVisual<>> (offset, e1, e2, e3, colour1);

v.bindmodel (rv);

rv->finalize();

v.addVisualModel (rv);

#if 0

offset = { 0, 0.25, 0 };

rv = std::make_unique<mplot::RhomboVisual<>> (offset, e1, e2, e3, mplot::colour::crimson);

v.bindmodel (rv);

rv->finalize();

v.addVisualModel (rv);

#endif

v.keepOpen();

return 0;