The Project TriangleScope, time and cost — and why you cannot fix all three.Business & ManagementThe three constraintsScope — what is deliveredTime — whenCost — resource and budgetChange one and at least oneother must moveWhat actually givesWhen all three are fixed, qualityfallsAdding people to a late projectmakes it laterScope creep is the commonestfailureFix scope first; it is the one youcontrolTHE DIFFERENCE THAT MATTERSBrooks's law: adding people to a late software project makes it later,because of the communication and onboarding cost.Quality is often treated as a fourth constraint precisely because it iswhat degrades when the other three are over-constrained.The Project Trianglelearnposters.com
The Project Triangle — printable business wall chart from LearnPosters. Free vector PDF, US Letter and A4.

What’s on the The Project Triangle poster

The three constraints against What actually gives, side by side.

Quality is often treated as a fourth constraint precisely because it is what degrades when the other three are over-constrained.

Questions about the The Project Triangle poster

What’s on the The Project Triangle poster?
The three constraints against What actually gives, side by side. The three constraints: Scope — what is delivered; The three constraints: Time — when; The three constraints: Cost — resource and budget; The three constraints: Change one and at least one other must move; What actually gives: When all three are fixed, quality falls; What actually gives: Adding people to a late project makes it later; What actually gives: Scope creep is the commonest failure; What actually gives: Fix scope first; it is the one you control; Brooks's law: adding people to a late software project makes it later, because of the…. Quality is often treated as a fourth constraint precisely because it is what degrades when the other three are over-constrained.
Who is the The Project Triangle poster for?
The Project Triangle belongs to the Business & Management section rather than to a school year, because business is not something one grade owns. Anyone learning operations can pin it up — a beginner, a student mid-course, or someone revising years later.
When should you use the The Project Triangle poster?
Fix any two and the third must move. Quality is what silently absorbs the pressure. A wall chart earns its place by being glanceable from where the work is happening, so The Project Triangle belongs on the wall where that business work actually happens, within glancing distance, rather than filed away.
What other posters go with The Project Triangle?
Agile & Waterfall, Capacity and Critical Path sit alongside The Project Triangle in the Business & Management section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Agile & WaterfallCapacityCritical Path
Is the The Project Triangle poster free to download and print?
Yes. The Project Triangle downloads as a free PDF with no account, no email and no watermark, like everything else in the Business & Management section. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
What size does the The Project Triangle poster print at?
The Project Triangle is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of The Project Triangle loses nothing.Printing guide

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