Add people’s names, create fantastic shapes, and be creative if you want to make money with a 3D printer. 2. Coasters You can also choose coasters as business 3D printer projects to sell. Many families use coasters to protect the tables from hot cups. Thus, drink coasters are always pop...
Whether in science (Q: What is the highest frequency noise that a human can register? A: Mariah Carey), the humanities (Q: What did Mahatma Gandhi and Genghis Khan have in common? A: Unusual names), math, or other subjects, these 250 entries prove that while everyone enjoys the ...