<*>[Attachment(s) from Harvey White included below]
On Sun, 3 Jan 2016 06:25:13 -0600, you wrote:
>It is the email program -- longer lines have been broken up, at least
>with my email client (thunderbird). The word "nuts" has overflowed to a
>new line.
As I said, you'd have to be careful where the email client puts the
carriage returns. I've attached a zip file which should fix the
problem. The threaded posts at the top can be copied and used
independently to make hex standoffs. The holes are set to be 4-40
threaded, but since PLA is a bit weak, the standoffs are not as well
threaded as nylon. On the other hand, the price is better.
Harvey
>
>I had to make 5 or so fixes to the file to get it to compile -- all
>un-overflowing lines. Maybe if somebody copies/pastes your file from
>the web interface to the forum there would not be a problem -- I haven't
>tried it.
>
>Bill
>
>
>
>On 01/02/2016 10:57 PM, Harvey White madyn@dragonworks.info
>[GrizHFMinimill] wrote:
>>
>> On Sat, 2 Jan 2016 22:25:01 -0600, you wrote:
>>
>> >Your code doesn't work as is in OpenScad because of line length problems.
>>
>> I use notepad++ which saves the file, and OpenSCAD reads that file.
>>
>> Which lines have the problems? In my system, there is no problem with
>> the original source, so the email program may be the problem.
>>
>> Harvey
>>
>> >
>> >Bill
>> >
>> >On 01/02/2016 10:01 PM, Harvey White madyn@dragonworks.info
>> >[GrizHFMinimill] wrote:
>> >>
>> >> Here's the program that generates the bracket.
>> >>
>> >> This is an scad format program (OpenSCAD)
>> >>
>> >> Generates .scad files, and then exports .stl files
>> >>
>> >> works well with notepad++
>> >>
>> >> You may have to consider where the editor (or your email program) has
>> >> put in the carriage returns
>> >>
>> >> .*****************************************************
>> >>
>> >> // parametric support bracket
>> >>
>> >> // overall thickness 7.42 mm (0.29 inches)
>> >> // spacing between holes set by board_offset
>> >> // allows 3/4 inch (arbitrary) mounting hole space
>> >>
>> >> // drill mounting holes for bracket for 4-40 screws with 0.25 inch
>> >> nuts
>> >> // tap hex posts for 4-40 for board
>> >>
>> >> // user set parameters
>> >>
>> >> board_offset_inches = 2.95;
>> >> board_hole_to_edge_inches = 0.3;
>> >>
>> >> // derived or fixed parameters
>> >>
>> >> $fn = 100;
>> >> board_to_edge = board_hole_to_edge_inches * 25.4;
>> >> board_offset = board_offset_inches * 25.4; //
>> >> board hole spacing
>> >> board_hole = 1.35; // tap for 4-40 later
>> >> post_size = 6.1; // 0.25 inches
>> >> post_thick = 1.2 * post_size; // offset post size to
>> >> accommodate nut
>> >> support_height = 25.4; // height (below zero) of support
>> >> bracket
>> >> nut_size_inches = 0.25; // 0.25
>> >> nut_size = nut_size_inches * 25.4 * 1.2;
>> >> nut_inset = 2; // inset nut this far into
>> >> post
>> >> angle =
>> >> atan(((support_height-post_size)/(board_offset+board_to_edge)));
>> >> mount_hole_space = -(support_height+post_size) + 25.4 *3/4;
>> >>
>> >> module post()
>> >> {
>> >> difference ()
>> >> {
>> >> union ()
>> >> {
>> >> translate([post_size/2, post_size/2,0 ])
>> >> rotate([0,0,30])cylinder(d = post_size * 1.155, h = 12.5,$fn=6);
>> >> }
>> >> translate([post_size/2, post_size/2, -1.5])cylinder(r
>> >> = board_hole, h=15);
>> >> }
>> >> }
>> >>
>> >> module arm()
>> >>
>> >> // mounting holes
>> >> {difference()
>> >> {
>> >> union(){
>> >> // extension below zero for bracket
>> >> translate([0,0,-(support_height+post_thick+nut_size)])
>> >> cube([post_thick, post_size, support_height+post_size + nut_size]);
>> >> // arm brace
>> >> translate([0,0,-support_height])rotate
>> >> ([angle,0,0]) cube([post_size, board_offset+2*post_size+board_to_edge,
>> >> post_size]);
>> >>
>> >> // horizontal support arm
>> >> translate([0,0,-post_size/2]) cube([post_size,
>> >> board_offset+post_size+board_to_edge, post_size]);
>> >>
>> >> }
>> >> // cuts off far end
>> >>
>> >>
>> translate([-(post_thick-post_size)/2,board_offset+post_size+board_to_edge,-3.5
>> >> *post_size]) cube([2* post_thick, 2* post_size, 4* post_size]);
>> >> // cuts off near end
>> >> translate([-(post_thick-post_size)/2,-2*post_size,-support_height])
>> >> cube([2* post_thick, 2* post_size, 4* post_size]);
>> >>
>> >> // hole for screw #1
>> >> translate([post_thick/2, -post_size/2,
>> >> -support_height-post_size])rotate([-90,0,0])cylinder(r = board_hole,
>> >> h=15);
>> >> // hole for hex nut #1
>> >> translate([post_thick/2, post_size-nut_inset,
>> >> -support_height-post_size ]) rotate([0,90,90])cylinder(d = nut_size, h
>> >> = 2*nut_inset,$fn=6);
>> >> // hole for screw #1
>> >> translate([post_thick/2, -post_size/2,
>> >> mount_hole_space])rotate([-90,0,0])cylinder(r = board_hole, h=15);
>> >> // hole for hex nut #2
>> >> translate([post_thick/2, post_size-nut_inset,
>> >> mount_hole_space ]) rotate([0,90,90])cylinder(d = nut_size, h =
>> >> 2*nut_inset,$fn=6);
>> >> }
>> >> }
>> >>
>> >> module support()
>> >> {
>> >> // post nearest mounting arm
>> >> translate([0,board_to_edge,0])post();
>> >>
>> >> // post furthest from mounting arm
>> >> translate([0,board_to_edge+board_offset,0]) post();
>> >>
>> >> // mounting bracket minus posts
>> >> arm();
>> >> }
>> >>
>> >> color("green") support();
>> >>
>> >> .*****************************************************
>> >>
>> >> Harvey
>> >>
>> >>
>>
>>
<*>Attachment(s) from Harvey White:
<*> 1 of 1 File(s) https://groups.yahoo.com/neo/groups/GrizHFMinimill/attachments/1365814890;_ylc=X3oDMTJxYzVhcTdxBF9TAzk3MzU5NzE0BGdycElkAzMwMzI5NzMEZ3Jwc3BJZAMxNzA1MDYzNjk3BHNlYwNhdHRhY2htZW50BHNsawN2aWV3T25XZWIEc3RpbWUDMTQ1MTgzMjQ3OA--
<*> board support.zip
------------------------------------
Posted by: Harvey White <madyn@dragonworks.info>
------------------------------------
------------------------------------
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