You might as well buy this. Works great for me and by the time you pay for the shipping of someone elses, you would have paid for this.
The deminsions to make an alignment tool are as follows: 5 mm thick(critical), approx. 180 to 230 mm long and 20 to 30 mm wide.
A Timing pin tool(to lock the crank at tdc: use a M10 diameter bolt cut down so that the lenth from the underside of the bolt head to the tip is exactly 63.4 mm.
I would go ahead and buy the set from New Edge. You will probably use these later anyhow.