Isometric Projections - 5HL1234ABCDEISOMETRIC VIEW OF
PENTAGONALL PRISM LYING ON H.P.ISOMETRIC VIEW OF HEXAGONAL PRISM
STANDING ON H.P.22.CYLINDER LYING ON H.P.CYLINDER STANDING ON
H.P.33.HALF CYLINDER LYING ON H.P.( with flat face // to H.P.)HALF
CYLINDER STANDING ON H.P.( ON ITS SEMICIRCULAR BASE)44.5. Isometric
view of a frustum of square pyramid standing on H.P. On its larger
base.402060XYFVTV5ISOMETRIC VIEW OFFRUSTOM OF PENTAGONAL
PYRAMID4020601234yABCDE402060xFVTV6. Projections of frustum of a
pentagonal pyramid are given. Draw its isometric view.SOLUTION
STEPS:
1. Draw isometric of its base.
2. Draw same shape As top, 60 mm above the base pentagon
center.
3. reduce the top to 20 mm sides and join with the proper base
corners.67. Isometric view of a frustum of cone standing on H.P. on
its larger base.FVTV402060XY7508. A square pyramid of 30 mm base
sides and 50 mm long axis, is centrally placed on the top of a cube
of 50 mm long edges. Draw isometric view of the pair.50308505030
D301030+FVTVA square plate is pierced through centrally by a
cylinder which comes out equally from both faces of the plate. Its
F.V & T.V are shown. Draw the isometric view.9PrRRrPCC = Center
of Sphere.P = Point of contactR = True Radius of Sphere r =
Isometric Radius.RrIso-DirectionC9. Isometric projections of
sphererR450300TO DRAW ISOMETRIC PROJECTION OF A SPHERE 1. FIRST
DRAW ISOMETRIC OF SQUARE PLATE.2. LOCATE ITS CENTER. NAME IT P.3.
FROM PDRAW VERTICAL LINE UPWARD, LENGTH r mm AND LOCATE CENTER OF
SPHERE C4. C AS CENTER, WITH RADIUS R DRAW CIRCLE. THIS IS
ISOMETRIC PROJECTION OF A SPHERE.
Isom. Scale10RrPCC = Center of Sphere.P = Point of contactR =
True Radius of Sphere r = Isometric Radius.RrIso-DirectionPrRrr10.
Isometric projections of sphere & hemisphererR450300TO DRAW
ISOMETRIC PROJECTION OF A HEMISPHERE1. Adopt same procedure.2. Draw
lower semicircle only.3. Then around C construct a rhombus of sides
equal to isometric Diameter using iso-scale.4. Then construct
ellipse in this RhombusIsom. Scale11PrRrr50 D30 D50 D50rR45030011.
Isometric projection of a hemi-sphere is centrally placed on the
top of a frustum of a cone.First construct isometric scale.Use this
scale for all dimensionsIn this problem.12
