Cheap rig is always possible with some sacrifices to the components, which indirectly increases the total time needed to finish the task/operation/render etc.
Intel Core i5 6500 - RM 835
Gigabyte H110M-DS2 (D4) - RM 276
Kingston 16GB (8GB x 2) DDR4 2133MHz Value RAM - RM 290
Zotac GTX750Ti 2GB GDDR5 Single Fan - RM 470
Kingston SSDNow UV400 120GB SSD - RM 165
WD Blue 1TB HDD - RM 209
FSP Hexa+ 550W - RM 188
Tecware F3 - RM 125
Total: RM 2558 (ETech price inclusive of GST)
Min requirment for Lumion 3D is 6k CPU PassMark points and 2k GPU PassMark points with 2GB VRAM, CPU is fine but GPU is at border line, you can upgrade to GTX960 (4GB) or GTX1060 (6GB) or RX460 (4GB) or RX470 (4GB/8GB) if needed.
SSD can be dropped as well to save money.
Thanks bro! BUt do you think I can upgrade my existing rig? like changing graphic card and a higher SSD? Photo of my rig is as per above.