diff --git a/assets/const/const.dat b/assets/const/const.dat
index 5d165ce..2d51028 100644
--- a/assets/const/const.dat
+++ b/assets/const/const.dat
@@ -11,7 +11,7 @@ Codata Internationally Recommended 2022 Values of the Fundamental Physical Const
 Symbol                    Name                                                              Value Unit                     Uncertainty Source                                       
 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-weinK                     Wien displacement law constant                           2.89776850e-01 K cm                  5.10000000e-07 CODATA2022                                   
+wienK                     Wien displacement law constant                           2.89776850e-01 K cm                  5.10000000e-07 CODATA2022                                   
 au1Hyper                  atomic unit of 1st hyperpolarizablity                    3.20636151e-53 C^3 m^3 J^-2          2.80000000e-60 CODATA2022                                   
 au2Hyper                  atomic unit of 2nd hyperpolarizablity                    6.23538080e-65 C^4 m^4 J^-3          1.10000000e-71 CODATA2022                                   
 auEDip                    atomic unit of electric dipole moment                    8.47835309e-30 C m                   7.30000000e-37 CODATA2022                                   
@@ -428,7 +428,7 @@ mH_amu_rel                helion relative atomic mass
 h_shield_shift            helion shielding shift                                   5.99674300e-05                       1.00000000e-10 CODATA2022                                   
 F_hyperfine_Cs-133        hyperfine transition frequency of Cs-133                 9.19263177e+09 1 / s                 0.00000000e+00 CODATA2022                                   
 aSi_220_ideal             lattice spacing of ideal Si (220)                        1.92015572e-08 cm                    3.20000000e-16 CODATA2022                                   
-eta                       luminous efficacy                                        6.83000000e-05 s3 rad2 cd / (g cm2)  0.00000000e+00 CODATA2022                                   
+eta                       luminous efficacy                                        6.83000000e-05 s3 rad2 cd/(g cm2)    0.00000000e+00 CODATA2022                                   
 rg_n_MHz_T                neutron gyromag. ratio in MHz/T                          2.91646931e+01 MHz T^-1              6.90000000e-06 CODATA2022                                   
 mN_amu_rel                neutron relative atomic mass                             1.00866492e+00                       4.90000000e-10 CODATA2022                                   
 mu_N_invm                 nuclear magneton in inverse meter per tesla              2.54262341e-02 m^-1 T^-1             7.80000000e-12 CODATA2022                                   
diff --git a/assets/const/format.sh b/assets/const/format.sh
new file mode 100755
index 0000000..7e53731
--- /dev/null
+++ b/assets/const/format.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+if [ "$#" -ne 2 ]; then
+    echo "Usage: $0 <input_file> <output_file>"
+    exit 1
+fi
+input_file="$1"
+output_file="$2"
+printf 'const char embeddedConstants[] = R"(' > "$output_file"
+cat "$input_file" >> "$output_file"
+printf ')";\n' >> "$output_file"
diff --git a/assets/const/meson.build b/assets/const/meson.build
new file mode 100644
index 0000000..583fb32
--- /dev/null
+++ b/assets/const/meson.build
@@ -0,0 +1,17 @@
+data_file = files('const.dat')
+command_file = files('format.sh')
+output_file = meson.current_build_dir() + '/embedded_constants.h'
+
+embedded_constants_h = custom_target('embed_constants',
+    input: data_file,
+    output: 'embedded_constants.h',
+    command: ['sh', '-c', command_file[0].full_path()+' @INPUT@ ' + output_file, '@INPUT@', '@OUTPUT@']
+)
+
+# Ensure the generated header is included
+const_data_header = include_directories('.')
+
+const_data_dep = declare_dependency(
+    include_directories: const_data_header,
+    sources: embedded_constants_h
+)
\ No newline at end of file
diff --git a/assets/mesh/sphere.msh b/assets/mesh/sphere.msh
new file mode 100644
index 0000000..416c655
Binary files /dev/null and b/assets/mesh/sphere.msh differ