This is the quickest bike trailer I've ever made.

I like it because it's light and has plenty of space to lash
) a new mattress
) an old mattress
) armloads of donuts to deliver to hungry clueless harvard students
) all the computers you can find
) monitors
) old lab supplies to fortify your home

it's also a rolling music video stage. If you put Will Bosworth ( howtern) on it, and he starts singing, film that.

That guy's a rockstar, and you can't miss him singing.

Step 1: Construction

So this is going to become a bedframe with wheels.
I'm using bike wheels because they grow on trees around here.
I learned that bike wheels need bike forks.

Fortunately, bike forks also grow on trees.

I'm gonna weld this all together. You can also drill holes and use a pair of bolts.

I got the mattress frame from a dumpster labeled "Metal only"
At first I thought, "Should I be wearing more hairspray?"

When I popped over the edge of the dumpster, I realized what was meant: All the metal I've been looking for.
Pipes, angle iron, tubing, solid metal, - beds -
so I grabbed two bedframes like this and biked back to my favorite machine shop.

Step 2: Fashion

First, put on "Oh! The Grandeur!" by Andrew Bird.

I found out that waring a hankerchief on my head under a welding helmet is the best thing ever. Warm and comfy and cozy, it feels way better than the sweatband in the helmet, and makes everything fit perfectly.

Weld on!

Step 3: On Welding

Also, welding magnets are a fabulous idea. They exist to hold your metal at a right angle, and right where you want it.
Fortunately, all the metal I weld with this welder is ferromagnetic, so these are perfect every time.

I tie the fork to the chair to hold it at the right height.

The chair is also the perfect place to sit while I weld.