Devika Padmakumar Nair
Ansys Employee

 

Hello Kawshik Nath,

Try not to duplicate same question or posts. posting progres /continuation question in same post will get a faster response. Please refer this Ansys Insight: Ansys Innovation Space —- Forum and Feed

Suggestions are provided in your original post as response:

How to design a period of hollow inverted pyramid? (ansys.com)

You made progress in making the exact copy of the picture. By modyfying pyramid geometry or by adding a rectangular block between each pyramid layer is a solution. 

Also, as replied in above post please refer this  Understanding mesh order for overlapping objects – Ansys Optics to understand mesh order to make hollow pyramid. 

thanks and regards

Devika