diff --git a/classes.cpp b/classes.cpp
index 10f6db65..f7b9197b 100644
--- a/classes.cpp
+++ b/classes.cpp
@@ -881,13 +881,13 @@ EX vector<geometryinfo> ginf = {
   {"ternary","none",    "standard ternary tiling",                    "ternary",  6, 3, qBINARY,   giHyperb2, 0x48400, {{6, 4}}, eVariation::pure},
   {"3x2",    "none",    "stretched hyperbolic",                       "3:2",     11, 3, qBINARY|qNIH,   giSolNIH,  0x49000, {{6, 3}}, eVariation::pure},
   {"3x1/2",  "none",    "stretched Solv",                             "3:1/2",    9, 3, (qBINARY|qSOL|qNIH),   giSolNIH,  0x49200, {{7, 3}}, eVariation::pure},
-  {"{3,oo}", "none",    "{3,∞} (infinite triangles)",                 "oox3",     3, 100, qIDEAL,  giHyperb2, 0x49400, {{7, 7}}, eVariation::pure},
+  {"{3,oo}", "none",    "{3,∞} (infinite triangles)",                 "oox3",     3, OINF, qIDEAL,  giHyperb2, 0x49400, {{7, 7}}, eVariation::pure},
   {"{3,3,6}","none",    "{3,3,6} hyperbolic honeycomb",               "336",      4, 6, qIDEAL,    giHyperb3, 0x49600, {{7, 2}}, eVariation::pure},
   {"{3,4,4}","none",    "{3,4,4} hyperbolic honeycomb",               "344",      8, 4, qIDEAL,    giHyperb3, 0x50000, {{7, 2}}, eVariation::pure},
   {"{3,4,4}","Crystal", "4D crystal in H3",                           "Cryst3" ,  8, 4, qIDEAL | qANYQ | qCRYSTAL, giHyperb3, 0x52000, {{7, 3}}, eVariation::pure},
   {"cat",    "cat",     "Arnold's cat mapping torus",                 "cat",     12, 3, qBINARY | qSOL | qsBQ | qOPTQ, giSolNIH, 0x52200, {{6, 4}}, eVariation::pure},
   {"file",   "none",    "load from file",                             "file",     7, 3, qEXPERIMENTAL,  giEuclid2, 0, {{7, 5}}, eVariation::pure},
-  {"{4,oo}", "none",    "{4,∞} (infinite squares)",                   "oox4",     4, 100, qIDEAL,  giHyperb2, 0x49400, {{5, 5}}, eVariation::pure},
+  {"{4,oo}", "none",    "{4,∞} (infinite squares)",                   "oox4",     4, OINF, qIDEAL,  giHyperb2, 0x49400, {{5, 5}}, eVariation::pure},
   };
   // bits: 9, 10, 15, 16, (reserved for later) 17, 18
 
diff --git a/hypgraph.cpp b/hypgraph.cpp
index 6bcd49b5..25a81d9e 100644
--- a/hypgraph.cpp
+++ b/hypgraph.cpp
@@ -1500,7 +1500,7 @@ EX transmatrix atscreenpos(ld x, ld y, ld size) {
     V[0][0] = size * 2 * cgi.hcrossf / cgi.crossf;
     V[1][1] = size * 2 * cgi.hcrossf / cgi.crossf;
     V[2][2] = current_display->radius;
-    if(S3 == OINF) V[0][0] /= 5, V[1][1] /= 5;
+    if(S3 >= OINF) V[0][0] /= 5, V[1][1] /= 5;
     }
 
   return V;
diff --git a/system.cpp b/system.cpp
index d958fe9e..273f8d96 100644
--- a/system.cpp
+++ b/system.cpp
@@ -1234,7 +1234,7 @@ EX void set_geometry(eGeometry target) {
     #if CAP_BT
     if(bt::in() || WDIM == 3 || kite::in() || arb::in()) if(!hybri) variation = eVariation::pure;
     #endif
-    if(S3 == OINF) variation = eVariation::pure;
+    if(S3 >= OINF) variation = eVariation::pure;
     if(was_default) pmodel = default_model();
     if(nonisotropic && old_DIM == 2 && vid.texture_step < 4) vid.texture_step = 4;
     if(prod) { pmodel = mdPerspective; if(vid.texture_step < 4) vid.texture_step = 4; }