1. Select the assembly button tab

• Click the "Assembly 1" tab on the bottom row

2. Insert parts

• Select the "Insert" tool
• Select the "Middle body"
• Click inside the assembly to place the part
• Repeat for the "Lower body" and "Nosecone"
• Click the green check

3. Mate the fuselage to the booster and fins

• Select the "Fastened Mate" tool
• Hover over the top of the booster and fins, then click when a disc appears
• Hover over the inside of the fuselage, where the part gets wider
• Click again, and you'll see the parts snap together
• Click the green check

4. Mate the fuselage to the nosecone

• Select the "Fastened Mate" tool
• Hover over the top of the fuselage then click when a disc appears
• Hover over the inside of the nosecone, where the part gets wider
• Click again, and you'll see the parts snap together
• Click the green check

5. Export the booster and fins for 3D printing

• Right click on the booster and fins
• Select "Export..."
• Select STL from the "Format" list
• Set Units to Millimeter
• 
• Click OK

6. Export the fuselage for 3D printing

• Right click on the fuselage
• Select "Export..."
• Select STL from the "Format" list
• Set Units to Millimeter
• 
• Click OK

7. Export the nosecone for 3D printing

• Right click on the nosecone
• Select "Export..."
• Select STL from the "Format" list
• Set Units to Millimeter
• 
• Click OK

8. 3D print the files and gather parts

• Printing will take about 3 hours
• or use a 3rd party printing service (≈ $40)
• Acquire:
• Rocket engines. A, B, or C sizes will fit. A8-3 are a good model to start with (≈ $10)
• Kit containing: (≈ $25)
• launch pad
• controller
• Flame resistant flagging streamer (≈ $7)
• 1/16 inch paracord / nylon shock coord (≈ $9)

9. Start assembling the rocket

• Thread a flame-resistant string or shock cord through the tube inside the fuselage
  

10. Tie the string off on the bottom end with two knots to keep it from coming out

• 

11. Tie the other end around the bar in the nosecone

• You can use tweezers or a paperclip to get at the string when it's inside the nosecone.

• 

12. Push the fuselage into the lower body. It should be a very tight fit to keep it from coming loose in flight.

• Depending on your printer, you might have to sand a little bit off or put a piece of tape on the side to get the perfect fit.

• 

13. Tie a streamer or parachute to the string

• 

14. Roll the streamer and push it into the fuselage

• 

15. Slip the nosecone on. It should be a loose fit so that the ejection charge will pop it off.

• Depending on your printer, you might have to sand a little bit off or put a piece of tape on the side to get the perfect fit.

• 

16. Load an engine (A, B, or C-class)

• 

17. Go flying!

18. Challenges

Can you edit or rocket to make it better? Some ideas:

• Add little fins to the fuselage, similar to the New Glenn design?

• 

• Edit your nosecone to make it pointy instead of flat

Extra Difficult:

• Convert your rocket to a triple-engine booster

• 

• Add an entire new stage to make a multi-stage rocket

•