I've started taking time and designing almost entire sirens in designspark mechanical and then fixing issues in 3d builder and I have also been adding crap tons of detail to them too. A recreation of the TableRock alerting systems or sentry siren Inc. 40v2t vertical siren with a 10 port (bottom) 15 port (top) ratio (10/15). this version I made has the proper sentry siren specs all the way and also includes the legs on the inside, the chopper specs, and the two motors like the 16v1t-b/16v-1t siren.