0031939: Coding - correction of spelling errors in comments [part 2]

Fix various typos

Fixed via `codespell v2.0.dev`

samples/tcl/ModelingDemo.tcl

@@ -97,7 +97,7 @@ sage " "
 
 nexplode result f
 offsetshape r result -1 0.0001 result_17
-sage " Creating a cylinder and positionning it"
+sage " Creating a cylinder and positioning it"
 sage "    pcylinder cyl 2 300"
 sage "    trotate cyl cyl 0 0 0  1 0 0 45"
 sage "    ttranslate cyl cyl 0 7.5 0"

samples/tcl/VisualizationDemo.tcl

@@ -104,7 +104,7 @@ sage " Creating a prism"
 sage "    prism rr p 0 0 20"
 sage " "
 prism rr p 0 0 20
-sage " Change some attributs : MATERIAL , TRANSPARENCY"
+sage " Change some attributes : MATERIAL , TRANSPARENCY"
 sage "    vsetmaterial rr PLASTIC"
 sage "    vsetcolor rr RED"
 sage "    vsettransparency result 0.5"
@@ -142,7 +142,7 @@ vfit
 vsetcolor r MATRABLUE
 vsettransparency r 0
 
-sage " Creating a cylinder and positionning it"
+sage " Creating a cylinder and positioning it"
 sage "    pcylinder cyl 2 300"
 sage "    trotate cyl cyl 0 0 0  1 0 0 45"
 sage "    ttranslate cyl cyl 0 7.5 0"

samples/tcl/cpu.tcl

@@ -1,5 +1,5 @@
 # Sample model of Intel i7-4790 CPU
-# Dimensions are taken from specs and foto found in Internet
+# Dimensions are taken from specs and photo found in Internet
 
 #Category: XDE
 #Title: Intel i7-4790 CPU
@@ -170,7 +170,7 @@ for {set ipad 1; set iplace 0} {$ipad <= $nbpads && $iplace < 1600} {incr ipad;
 }
 
 # round and square contact pads on top side
-# note re-use of rpad object used for bootom round pads
+# note re-use of rpad object used for bottom round pads
 eval compound [lrepeat 8 rpad] crpads
 set lrpad [explode crpads]
 ttranslate crpads_1 25.3  8.4  -0.1

samples/tcl/drill.tcl

@@ -76,7 +76,7 @@ vertex vf0 x0 y0 z0
 vertex vf1 x1 y1 z1
 
 # -- variant: replace curve by arc with start at x0,y0,z0 and end at x1,y1,z1,
-# -- such that tanget at start point is along Y
+# -- such that tangent at start point is along Y
 #dset Rflute ((x1-x0)*(x1-x0)+(y1-y0)*(y1-y0))/(2*(x1-x0))
 #circle aflute x0+Rflute y0 0  0 0 1  Rflute
 #mkedge sflute_1 aflute vf0 vf1