Fig. 5.

a 3D model created from fused deposition modeling (FDM) printer with acrylonitrile butadiene styrene (ABS) material that allowed us to measure the arterial positioning and osteotomy site before operating then applying in the surgical field, (b) comparing size and characteristics between gross tumor pathology and 3D model, (c) after tumor resection, allograft reconstruction was performed with the distal femoral locking compression plate, (d) according to the small incision on the medial side, a mini-open lateral incision must be made to be able to purchase the screws from the lateral side, (e) Demonstrating the postoperative film images of the distal femoral allograft reconstruction