Sputnik One CCCP
A great feat in human space history, launched by the Dongfangwei series rockets to commemorate the first spacecraft to enter space, with internal structure design and color coded finished products,
Ratio 1:12  
The spacecraft has a diameter of 5.8cm and an antenna of 19cm, with a total platform height of 20cm and a base length of 10cm

3D printed products are inevitably prone to minor flaws, please do not take photos if you mind.