Build something in 48 hours Build Weekend
A one-word theme is posted on a Friday evening. In 48 hours, alone, make something in a new public repository or document and write a 300-word walk-through.
Not open yet Rounds open on set dates each term. The first date has not been set yet.
- In detail
- A theme of one broad word is posted Friday at 6 pm Eastern. In 48 hours, alone, makes something in a new public repository or document at a fixed revision, with a 300-word walk-through. Any medium counts
- What you leave with
- Round result
- Who confirms it
- Scored by three other entrants against criteria published before the round opened. Tillyard adds up the scores and judges nothing.
- What goes on your résumé
- Projects: Built a study-room booking checker in a 48-hour build weekend; one of 17 builds scored by other entrants, Build Weekend, Tillyard, Autumn 2026
An example. Yours will say what you did.
Not for here: structures, pressure systems, mains electricity, vehicles, medical devices, weapons, or advice to a real person on law, tax, medicine, engineering or investments.
Not open yet
You need a membership to start. It is free to students.
Join with your college email to start Build something in 48 hours
Before you start
You own what you make here. If you made it for a class, a lab or an employer, someone else may have a claim on it, so leave it out. You do this unpaid and by choice, and you do not work for Tillyard. You are keeping a record of something you chose to do.