Boomers and millennials might roll their eyes, but hear me out: Loveyapa Ho Gaya, the track from Junaid Khan and Khushi Kapoor’s upcoming film Loveyapa, is the love anthem for this Valentine’s Day.

But to really get inside the designer’s head, executing a physical model, like this quarter-scale RC-controlled ... but some great design and 3D-printing tips too. [Dejan]’s modeling process ...