hello,
maybe a display bug…
Rhino 6 SR0 2017-8-29 (Rhino WIP, 6.0.17241.13071, Git hash:master @ 4ba507bbd3a2d10cc10aa64a48c6283abe2fd544)
Windows 10.0 SR0.0 or greater (Physical RAM: 16Gb)
GeForce GTX 650 Ti BOOST/PCIe/SSE2 (OpenGL ver:4.5.0 NVIDIA 382.53)
OpenGL Settings
Safe mode: Off
Use accelerated hardware modes: On
Redraw scene when viewports are exposed: On
Anti-alias mode: 4x
Mip Map Filtering: None
Anisotropic Filtering Mode: None
Vendor Name: NVIDIA Corporation
Render version: 4.5
Shading Language: 4.50 NVIDIA
Driver Date: 6-7-2017
Driver Version: 22.21.13.8253
Maximum Texture size: 16384 x 16384
Z-Buffer depth: 24 bits
Maximum Viewport size: 16384 x 16384
Total Video Memory: 2 GB