String dispenser - Reuse cardboard spool

This model is a string dispenser with build in cutter, similar to a tape dispenser.Using the centre of a cardboard filament spool 59(w) x 88(dia) with a 3mm wall thickness. A ball of string sits in the centre supported on a 22.5(dia) mm, fixed spindle fitted to the righthand side.The lefthand side of the body has a removeable rotating door which aligns with the central fixed spindle and holds the string in the dispenser. A length of string exits through a slot in the perimeter passing through the guide and under the clamp.The clamp is lowered and raised by the large half cog attached to the outer of the right hand side.Holding the string with the clamp the string is pulled onto the blade of the cutter.The blade is sandwiched on both sides and held together with only part of the blade exposed via a central wedge. Two spacer pillars are fitted to the lower part of the dispenser. These help to clamp the two sides of the body to the spool (in conjunction with the other supports), preventin