Issues with 3ds max object's extrude from spline and d5 material

Get Help Tech Support
1

**D5 Render Version:**2.4
**Graphics Card:**3080
**Driver Version:**528.49
**Issue Description:**object (created by extrude spline) turns black when apply material in D5 render. Even its just a simple line and extrude modifier. Turn on “triplanar” solved problem but I want to know what is the right solution for this. Thanks in advance!
Screenshots/Videos Description:

image
image1075×895 124 KB

Steps to Reproduce (optional):

2

Hi mate, does the model surface have UV in 3ds Max? If not, then you need to apply UVs for it before importing it into D5, otherwise the problem may happen; or you can use triplanar to fix that.