lock with a pattern. for a chain or bracelet18k gold weith 2.8gr. Silver weith 1.8gr. You can see the dimensions of the model on one of the photos presented here.90% of my 3d models have been checked: made wax and finished product in gold or silver . High polygonal model.Made in program Matrix+Rhinoceros+Zbrush . Model was checked and fixed in program Materialise Magics .Ready for the print. Mesh: vertex count = 65256 facet count = 94068Volume = 179 (+/- 1e-06) cubic millimeters