You can modify attributes to resize it, check out the link for my onshape model
https://cad.onshape.com/documents/bff4f8044db9f323f842895f/w/ccfbf1e7ec02f99a7037a49c/e/7ec28663990b9257ac8f7cea?renderMode=0&rightPanel=variableTablePanel&uiState=65f4f7b5f37fa51d3c1ad68a