Modular table saw

In a portable table assembly for a hand electric circular saw of the kind having a base plate and a motor rotated circular saw blade, said portable table assembly comprising:

• a boxlike saw table for supporting and guiding a workpiece past said saw blade and including a substantially planar horizontal top pendently supporting said portable circular saw therebeneath with a blade slot permitting said blade to rise upwardly through said top and an upstanding rectilinear base having upstanding opposite sides supporting opposite edges of said top;
• a boxlike back-up table positionable behind said saw table for guiding portions of said workpiece cut by said saw and including a substantially planar horizontal top and an upstanding rectilinear base having upstanding opposite sides supporting opposite edges of said top, one of said bases having an open bottom;
• means for supporting said bases of said tables on a common plane, the heights of said saw table and back-up table being the same so that their tops are coplanar with their bases on said common plane;
• said open bottom of said base of one said table being larger than said base of the other said table, said other table being nestable in said one table by reception through the open bottom of the latter.