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Hello I have a problem with mesh objects that keeps bothering me - as maker and shopper as well - and it seems like a mysterious the more I focus on it. I`ll try to demonstrate the problem through a series of pictures. All snapshots were taken at LOD 4. Image #1 Here you have a couch I`ve made in Blender and uploaded to SL. The base frame and cushions are 2 objects exported unjoined as a linkset dae. The two throw pillows are 2 meshes saved and uploaded as 1 object. I did not custom made any LOD models. The lowest LOD was set to zero and physics set to lowest. As you can see it holds it shape across the sandbox at Mauve. Image #2 Panel #1 Here you have the same couch. I`ve added a chair, a coffee table and a rug. The grid is made by 10x10 meters unlinked prims (not mesh). I am standing about 20 meters away from the seating group. Notice the brick wall to the right. (The coffee table has actually dropped down to the medium level at this distance. It`s only to be expected and tells me that the LODs are behaving correctly at this state.) Panel #2 I walk over behind the brick wall. Panel #3 Here I step out from behind the wall and walk up to the same place where I started. Now the cushions and the throw pillows have dropped to the lowest LOD depsite I have returned to the same state as in panel #1. I did not touch the camera during this exercise. The cushion and pillows will stay like this as long I stand still - like stuck at the lowest level - however, and here comes the mystery, I can trigger the LODs to switch to a higher level by either walking forwards or backwards - even pulling my camera back ! Panel #4 In the last panel I`ve pulled the camera back to upgrade the LOD and now the couch looks right - but notice the camera is farther away than in panel #3 . That`s the thing I don`t understand. I see this issue in my own mesh builds - foremost cushions and pillows - but now and then I see the same thing occure at other home furnishing stores around SL. I use the LL Viewer (see details at the bottom) and have experimented with different settings but nothing seems to help. Nor does the issue seem to depend on how I set my LOD factor. The same problem occurs at LOD 2, LOD 4 and even LOD 6 Last week I started to read back on almost anything I could find about the mesh uploader and LOD in this forum. Depsite I have gained a lot of other useful information on how to optimze my mesh I haven`t found any explanation to this specific problem. To be exact: 1. What happened to the couch while I was behind that wall ? 2. How come the the cushions won't upgrade when I walk up to exact the same place as where I started ? 3. How come you can trigger the LOD to switch to a higher level by walking backwards or simple pulling your camera back ? I greatly appreciate any suggestion on this problem. Thank you for reading my post =============== Details: I use the SL Viewer version 22.214.171.1245124 Internet Speed Test: Download 85.7 Mbit / Upload 47,62 Mbit Draw distance: 128m Bandwidth: 500kbit/s LOD factor: 4 Render quality: 2 / 7 Advanced Lighting Model: Disabled Computer: CPU: Intel(R) Core(TM) i7-4700HQ CPU @ 2.40GHz (2394.45 MHz) Memory: 12172 MB OS Version: Microsoft Windows 8 64-bit (Build 9200) compatibility mode. real ver: 10.0 (Build 10586) Graphics Card Vendor: NVIDIA Corporation Graphics Card: GeForce GT 750M/PCIe/SSE2 Info Couch Image #1 Image #2