You can get a cheap diamond blade from Harbor Freight for your
circular saw, set it about 1" deep and score the brick any way you
wish. A whack with a hammer and you have a clean cut and you only
spent $30 on the blade. Blades for angle grinders are even cheaper,
around $10. In fact you could get the angle grinder and blade for $35
or so. Either tool could work better at tricky sections like round
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