1. A leg support for use by a user sitting on a seat supported by a floor, the seat having a forward seat edge, the user having a hip, an upper leg, a lower leg, a knee, a lower leg calf, a foot and a buttocks, the leg support comprising:
a pad having an upper portion;
a first end adapted to be positioned over a portion of the seat;
a seat contact surface adapted for overlapping and abutting contact with the seat;
an elongate first surface positioned above the upper portion extending angularly upward from the first end toward an apex, the first surface adapted to elevate a user’s knee and support substantially the entire upper leg of the user;
a lower portion extending angularly downward and away from the upper portion; and
an elongate second surface positioned above the pad lower portion extending angularly downward from the first surface and apex to a second end positioned vertically lower than the first end, the second end adapted to extend outwardly from and below the forward seat edge without vertical support other than from the seat and pad upper portion, the second end adapted to terminate adjacent to or below the user’s calf to angularly elevate and suspend the user’s foot between the seat and the floor.
2. The leg support of claim 1 wherein the first surface first end is adapted to be substantially flush with the seat and positioned below a portion of the user’s buttocks, the first surface extending upward at a substantially constant incline between the first end and the apex.
3. The leg support of claim 2 wherein the first surface is substantially planar between the first end and the apex.
4. The leg support of claim 2 wherein the first surface defines a first length between the first end and the apex, the second surface defining a second length between the apex and the second end, the second second length being greater than the first length.
5. The leg support of claim 2 wherein the first surface extends angularly upward from the seat contact at the first end at an angle of about 30-60 degrees.
6. The leg support of claim 1 wherein the second surface extends downwardly at a substantially constant decline between the apex and the second end.
7. The leg support of claim 6 wherein the second surface extends substantially planar between the apex and the second end.
8. The leg support of claim 6 wherein the lower portion defines a concave relief portion in the second surface.
9. The leg support of claim 1 further comprises means connected to the lower portion opposite the second surface for hanging storage of the leg support when the leg support is not in use.
10. The leg support of claim 9 wherein the means for hanging storage comprises a hook.
11. The leg support of claim 1 further comprising a means for connecting the pad to the seat to prevent unwanted movement of the pad relative to the seat, the connecting means positioned opposite the upper portion first surface adjacent the seat.
12. The leg support of claim 1 wherein the second surface extends angularly downward from the first surface at an angle between about 70 and 120 degrees.
13. The leg support of claim 12 wherein the angle is approximately 90 degrees.
14. A chair leg support device for use in angularly elevating and supporting a user’s lower leg and foot above a floor while the user is seated on a chair, the user having a buttocks, upper leg, a knee, a lower leg calf and a foot, the device comprising:
a chair supported by a floor, the chair having a substantially horizontal seat and a front seat edge;
a leg support pad comprising:
an upper portion defining an elongate first surface extending angularly upward from a first end toward an apex, the elongate first surface adapted for supporting substantially all of the user’s upper leg between the buttocks and the knee;
a lower portion extending angularly downward from the upper portion and away from the front seat edge, the lower portion defining a second surface terminating at a second end positioned below the first end and the seat front edge, the elongate second surface adapted for supporting substantially all of the user’s lower leg between the knee and the lower leg calf, the second end adapted to be positioned between the user’s calf and foot to angularly elevate and suspend the user’s otherwise vertically unsupported foot forward of the front seat edge and above the floor.
15. The device of claim 14 wherein the chair comprises a movable wheelchair having a pair of front wheels and a pair of rear wheels rotatably connected to the chair, the pad lower portion second surface and second end adapted to angularly position and suspend the user’s foot forward of and vertically above the front wheels.
16. The device of claim 15 wherein the pad second surface extends angularly downward from the first surface at an angle between about 70 and 120 degrees.
17. The device of claim 16 wherein the pad lower portion second surface defines a concave channel extending into the pad lower portion adapted to partially surround and prevent the user’s lower leg from displacement from the pad while the wheelchair is in motion.
18. A leg support for use by a user sitting on a seat, the user having an upper leg, a lower leg, a lower leg calf, a foot and a buttocks, the leg support comprising:
a pad having an upper portion;
a first end adapted to be positioned over a portion of the seat;
a seat contact surface adapted for overlapping and abutting contact with the seat;
a first surface positioned above the upper portion extending angularly upward from the first end toward an apex, the first surface adapted to support the user’s upper leg;
a lower portion extending angularly downward and away from the upper portion and is adapted to be free from contact from the seat;
a second surface positioned above the pad lower portion extending angularly downward from the first surface and apex to a second end adapted to be positioned adjacent to or below the user’s calf; and
a hangar connected to the pad lower portion positioned opposite the second surface for hanging storage of the leg support when the leg support is not in use.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method performed by a data processing system and comprising:
receiving a solid model;
slicing the solid model along a build direction and creating 3D meshes that represent manufacturing layers;
simulating manufacture of each of the 3D meshes to produce corresponding deformed 3D meshes;
building a 3D mesh model from the deformed 3D meshes; and
displaying the 3D mesh model.
2. The method of claim 1, wherein the data processing system applies displacements to each 3D mesh to produce the corresponding deformed 3D mesh.
3. The method of claim 1, wherein the data processing system applies displacements to each 3D mesh according to underlying deformed 3D meshes.
4. The method of claim 1, wherein the data processing system applies displacements to at least one of the 3D meshes by applying model loads or model constraints to that 3D mesh.
5. The method of claim 1, wherein the data processing system compares the resulting 3D mesh model with the solid model.
6. The method of claim 1, wherein simulating manufacture of each 3D mesh to produce a corresponding deformed 3D mesh includes simulating thermal or structural distortions caused by the manufacturing process.
7. The method of claim 1, wherein the data processing system simulates manufacture of each of the 3D meshes by applying build parameters or simulation parameters.
8. A data processing system comprising:
a processor; and
an accessible memory, the data processing system particularly configured to receive a solid model;
slice the solid model along a build direction and create 3D meshes that represent manufacturing layers;
simulate manufacture of each of the 3D meshes to produce corresponding deformed 3D meshes;
build a 3D mesh model from the deformed 3D meshes; and
display the 3D mesh model.
9. The data processing system of claim 8, wherein the data processing system applies displacements to each 3D mesh to produce the corresponding deformed 3D mesh.
10. The data processing system of claim 8, wherein the data processing system applies displacements to each 3D mesh according to underlying deformed 3D meshes.
11. The data processing system of claim 8, wherein the data processing system applies displacements to at least one of the 3D meshes by applying model loads or model constraints to that 3D mesh.
12. The data processing system of claim 8, wherein the data processing system compares the resulting 3D mesh model with the solid model.
13. The data processing system of claim 8, wherein simulating manufacture of each 3D mesh to produce a corresponding deformed 3D mesh includes simulating thermal or structural distortions caused by the manufacturing process.
14. The data processing system of claim 8, wherein the data processing system simulates manufacture of each of the 3D meshes by applying build parameters or simulation parameters.
15. A non-transitory computer-readable medium encoded with executable instructions that, when executed, cause one or more data processing systems to:
receive a solid model;
slice the solid model along a build direction and create 3D meshes that represent manufacturing layers;
simulate manufacture of each of the 3D meshes to produce corresponding deformed 3D meshes;
build a 3D mesh model from the deformed 3D meshes; and
display the 3D mesh model.
16. The computer-readable medium of claim 15, wherein the data processing system applies displacements to each 3D mesh to produce the corresponding deformed 3D mesh.
17. The computer-readable medium of claim 15, wherein the data processing system applies displacements to each 3D mesh according to underlying deformed 3D meshes.
18. The computer-readable medium of claim 15, wherein the data processing system applies displacements to at least one of the 3D meshes by applying model loads or model constraints to that 3D mesh.
19. The computer-readable medium of claim 15, wherein the data processing system compares the resulting 3D mesh model with the solid model.
20. The computer-readable medium of claim 15, wherein simulating manufacture of each 3D mesh to produce a corresponding deformed 3D mesh includes simulating thermal or structural distortions caused by the manufacturing process.