Decorative 4x4 Fence Post Top

thingiverse

We have a nice white fence around our 1920s home with decorative post tops. The 4x4 fence posts are made of treated lumber to last a very long time, but we keep replacing the tops because we cannot find them made from treated wood, so they start losing their integrity between 5 and 10 years, depending on where they are. Yes, I know. They are readily available, saying they are treated wood and will not rot. Lies, lies, more lies. The last two sets were supposedly "treated" and "will not rot." :-(We decided to make them out of ABS. I hope you like them.The top needs to be printed as two halves. The bottom half is printed upside down, so as not to need support. The upper half is printed right-side-up, but you'll need to use support for the cavity. That cavity is for the bottom half to fit into.I use Craftics #33 Thick Acrylic Cement to glue the pieces together. I only put a dab in each corner so that the air can escape out the sides as the two halves are pressed together. You could create a better connection, but you'd have to drill a hole(s) in the bottom half to let the air escape. These have been on my fence for nearly a year without any issues. They look as new as the day I installed them.They were initially printed on an old Makerbot Dual, but I've upgraded to a Bambu P21. I am replacing all the ones I made with my Makerbot because the quality is THAT MUCH BETTER! :-) This is designed in OpenSCAD ("open-es-cad, not "open-scad") and commented. I'm sorry, but I did not parametrize my designs as I saw no need to make different sizes. If you are familiar with OpenSCAD, you can stop reading here.If you have difficulty with OpenSCAD and need a different size, use the "scale" function. It's super easy. You would do that as follows.x, y, and z represent percentages you want to scale those directions. If you want to scale the item uniformly, like you wanted to make it work for a 6x6 post, you'll need all three variables to be the same. Or if your goal were to make it work for a 4x6 post, you'd scale only the X direction. Maybe you'd want to scale the Y direction, but probably not as much. It might look too flat if the height were not increased.You will need to surround my OpenSCAD code with the scale function. Start after the $fn statement. You don't want to scale the $fn statement. :-) scale(x,y,z){All my code goes here}That's it.