C4D制作二维粘滞融球效果+工程 2d fx with tracer object and metaball在C4D通过Tracer Object和 Metaball制作平面MG物体融合粘滞的效果，包含工程文件In this quick tutorial for C4DAPT2 CHALLENGE, Matteo Forghieri shows us how to create instant 2D fx using the Tracer Object and Metaball in Cinema 4D.