It would depend entirely on your workflow - and I'd argue that the two in extensions in question isn't mutually exclusive. If, after I convert the 'block' drawing to a mesh, is one of them easier/better for 'fine tuning'? I have not used any of these types of tools and I am a little embarrassed to say that I cannot fully appreciate the differences you are pointing out. Ntxdave wrote:Help me understand the point you guys are making.