"What is the difference in solid region when you set "solid" or "no solid"?" * Solid = the region defines a solid area of copper; * No Solid = the region defines an area free of copper. Solid can also be used to create: 1. solid regions of silk screen ink;  2. apertures in the solder and paste mask layers **but always check that you have the desired result in the Gerber output first** (using gerbv not the JLCPCB Viewer). "...can I do a solid region in both faces with bores for higher dissipation?" Please see: [https://easyeda.com/forum/topic/How-to-place-multiple-vias-in-a-PCB-footprint-a34cf68d58414138898a56de60abd8c1](https://easyeda.com/forum/topic/How-to-place-multiple-vias-in-a-PCB-footprint-a34cf68d58414138898a56de60abd8c1) [https://easyeda.com/forum/topic/How-to-avoid-DRC-errors-when-connecting-to-PCB-Footprints-a-k-a-PCB-Libs-90bf944fe3644b21a7d27a9e9d8df8d6](https://easyeda.com/forum/topic/How-to-avoid-DRC-errors-when-connecting-to-PCB-Footprints-a-k-a-PCB-Libs-90bf944fe3644b21a7d27a9e9d8df8d6)

Hello, With the new version of EASYEDA I can not longer find the command to position the holes between two layers to increase thermal dissipation. can someone kindly help me? thanks in advanced

Sorry, I resolved.... thanks