3D DIY

#Other irregular parallelograms, trapezia and quadrilaterals, quadrilaterals containing one or more rounded corners #Quadrilaterals with dark surfaces or parts of surfaces #Quadrilaterals containing one or more letters #Quadrilaterals containing one or more numerals #Quadrilaterals containing other figurative elements #Numerals in light-coloured characters on a dark background #Numerals in heavy characters #Numerals presenting a special form of writing #Letters in light-coloured characters on a dark background #Letters in heavy characters #Series of letters in different dimensions #Letters embellished or decorated with a drawing #Letters presenting a special form of writing #Three predominant colours #Black #White, grey, silver #Blue #Yellow, gold #Parts of machines for industry or agriculture, of industrial installations or of motors and engines (including robotic arms)