Here’s a tip from @isoscella: Don’t line up your MDF panels with the ceiling or baseboards because these areas are not always perfectly straight. Instead, use a level on each panel before ...

The details: 1 x Ogee 2 MDF Dado Rail (70mm x 25mm x 2440mm), 8 x Vienna MDF Panel Moulding (72mm x 24mm x 1220mm) and 8 x Vienna MDF Panel Moulding (72mm x 24mm x 600mm).

What you'll need Mitre shears – to avoid doing any sawing, mitre shears can cut the panels at a perfect angle to create the moulding effect Quality panel moulding or trim – solid wood, MDF, or ...