about this 3d model : It is a clean and lightweight 3d model, created close to the real shape and size
this 3d scene contains 2 models with 2 different materials (gunnared beige and gunnared dark grey), but the 3d model itself is actually the same, just different in height
if you import any of these 3 files : fbx, obj, and 3ds (all three files are included), then you can add mesh smooth modifier by yourself from modifier list with Iteration : 1 - 3 for good results, enjoy it
About the product : Ikea LIDKULLEN office workspace chairs
Designer : E Thomasson/P Süssmann
Active sit/stand support, gunnared beige and gunnared dark grey
Dimension : Width : 60 cm / 23 ⅝x Depth : 60 cm / 23 ⅝ x Height : 59 cm / 23 ¼- 81 cm / 31 ⅞(adjustable)
Seat diameter : ∅ 38 cm / 15"
https://www.ikea.co.id/en/products/office-workspace/office-chairs/lidkullen-art-80445781